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Danny

Questions and answers by Danny, page 3

Questions (416)

Find the total surface area of a closed cylinder having a diameter of 1.000 m and 15.000 mm and a length of 12.000 m and 55.000
1. 1 answer
2. 418 views
A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its
1. 4 answers
2. 722 views
A Body with a mass of 150kg is located at a height of 45 m. If allowed to fell freely to the ground. What will be its velocity
1. 4 answers
2. 1,520 views
A body is moving north at 12m/s and 5 seconds later it has a velocity of 30m/s in the same direction. What was the acceleration
1. 1 answer
2. 375 views
A body of 150kg is located at a height of 45m. If allowed to fall freely to the ground. What will be its velocity on impact?
1. 4 answers
2. 590 views
A beam having a length of 20 metres is pivoted at its mid point. A 200 newton load is located at a point 5 metres from the right
1. 5 answers
2. 1,178 views
Simple MachinesA simple wheel and axle has a wheel diameter of 2.3m and an axle diameter of 92mm. If an effort of 26N is
1. 5 answers
2. 2,933 views
A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of
1. 1 answer
2. 907 views
A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of
1. 2 answers
2. 678 views
Camera lenses are described in terms of their focal length. A 50.0 mm lens has a focal length of 50.0 mm(a) A camera with a 50
1. 5 answers
2. 3,111 views
A body moves 180 degrees from point A to point B in a semi circle. The diameter of the semi circle is 2m. Calculate the distance
1. 4 answers
2. 846 views
Which of the following statements about acceleration is true. Acceleration is:A) time/ velocity B) force/ time C) the rate of
1. 3 answers
2. 1,768 views
Which of the following statements about acceleration is true. Acceleration is:A) time/ velocity B) force/ time C) the rate of
1. 1 answer
2. 991 views
An object is thrown directly downwards from a height of 60m with an initial velocity of 11m/s. What will be its velocity on
1. 4 answers
2. 2,735 views
1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters.A) What is the
1. 1 answer
2. 347 views
1. A train traveling at a speed of 110km/h decelerates for 20 seconds. During that time it travels 450 meters.A) What is the
1. 1 answer
2. 343 views
1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters.A) What is the
1. 1 answer
2. 324 views
1. A train traveling at a speed of 110km/h decelerates for 20 seconds. During that time it travels 450 meters.A) What is the
1. 1 answer
2. 358 views
1. A train traveling at a speed of 110km/h decelerates for 20 seconds. During that time it travels 450 meters.A) What is the
1. 3 answers
2. 434 views
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N.
1. 1 answer
2. 357 views
A tie bar is made of a material having a tensile strength of 231MPa and has to carry a load of 225kN. What is the diameter of
1. 1 answer
2. 357 views
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N.ANS
1. 6 answers
2. 353 views
A tie bar is made of a material having a tensile strength of 231MPa and has to carry a load of 225kN. What is the diameter of
1. 3 answers
2. 506 views
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N.The
1. 2 answers
2. 637 views
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N.The
1. 1 answer
2. 398 views
A uniform bar 1.900m in length and having a cross sectional area of 10.500cm^2 is subject to a loading of 5550.000N. This load
1. 2 answers
2. 1,166 views
1) Calculate the tension stress in a 21.00mm diameter rod subjected to a pull of 30.000kN.21mm =0.021m 30.000kN = 30000N A =
1. 1 answer
2. 389 views
What is the factory of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 61000.000N.
1. 1 answer
2. 430 views
1) Calculate the tension stress in a 21.00mm diameter rod subjected to a pull of 30.000kN.21mm =0.021m 30.000kN = 30000N A =
1. 1 answer
2. 366 views
A hole 3cm in diameter is to be punched out of a steel plate 8cm thick. The shear stress of the material is 670GPa. What load is
1. 2 answers
2. 652 views
What is the factor of safety for a steel hanger having an ultimate strength of 70000N per cm^2 and supporting a load of 87500N.
1. 4 answers
2. 1,097 views
A uniform bar 1.900m in length and having a cross sectional area of 11.000cm^2 is subject to a loading of 5450.000N. this load
1. 3 answers
2. 562 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.500cm and is 8.100m in length. A load of 150000.000N causes
1. 3 answers
2. 528 views
A hole 3cm in diameter is to be punched out of a steel plate 8cm thick. The shear stress of the material is 670GPa. What load is
1. 1 answer
2. 413 views
A uniform bar 1.900 meters in length and having a cross sectional area of 11.000cm^2 is subject to a loading of 5450.000
1. 4 answers
2. 1,495 views
The ultimate strength of a steel rod is 550.000MPa. If the factor of safety of 3.000 is required, what is the maximum
1. 1 answer
2. 996 views
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 79000.000N.
1. 1 answer
2. 954 views
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 79000.000N.
1. 1 answer
2. 454 views
The ultimate strength of a steel rod is 550.000MPa. If the factor of safety of 3.000 is required, what is the maximum
1. 1 answer
2. 457 views
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible
1. 3 answers
2. 495 views
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN.ANS= MPa (Round to 3 decimal places)
1. 1 answer
2. 416 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 1 answer
2. 381 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 1 answer
2. 412 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 1 answer
2. 356 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 1 answer
2. 396 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 1 answer
2. 484 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 1 answer
2. 432 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 1 answer
2. 423 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 1 answer
2. 425 views
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible
1. 1 answer
2. 396 views
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN.ANS= MPa (Round to 3 decimal places)
1. 1 answer
2. 353 views
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN.ANS= MPa (Round to 3 decimal places)
1. 1 answer
2. 417 views
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible
1. 1 answer
2. 354 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 1 answer
2. 396 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 1 answer
2. 425 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 1 answer
2. 368 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 1 answer
2. 362 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 1 answer
2. 363 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 1 answer
2. 338 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 1 answer
2. 940 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 1 answer
2. 377 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 1 answer
2. 323 views
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible
1. 1 answer
2. 457 views
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN.ANS= MPa (Round to 3 decimal places)
1. 2 answers
2. 901 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 3 answers
2. 484 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 1 answer
2. 443 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 4 answers
2. 957 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 1 answer
2. 443 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 1 answer
2. 397 views
27.300kg of Copper at 35.000 degrees Celsius receives 460.000kJ of heat. Calculate the final temperature of the metal.ANS =
1. 2 answers
2. 476 views
Calculate the amount of expansion occurring when a steel rail 920.000 meters in length is heated from -10.000 to 410.000 degrees
1. 3 answers
2. 419 views
27.300kg of Copper at 35.000 degrees Celsius receives 460.000kJ of heat. Calculate the final temperature of the metal.ANS =
1. 3 answers
2. 681 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % 2.
1. 1 answer
2. 395 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % 2.
1. 1 answer
2. 402 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % 2.
1. 1 answer
2. 761 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % 2.
1. 1 answer
2. 376 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % Not sure
1. 1 answer
2. 341 views
2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at
1. 1 answer
2. 922 views
2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at
1. 1 answer
2. 406 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % Not sure
1. 1 answer
2. 350 views
Posted by Danny on Saturday, July 13, 2013 at 9:42am.1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ.
1. 1 answer
2. 374 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % 2.
1. 1 answer
2. 342 views
1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam.ANS = % 2.
1. 6 answers
2. 956 views
Telephoto lenses allow one to "zoom in" on distant objects, making them bigger. A particular telephoto lens consists of a
1. 1 answer
2. 497 views
For how many positive integers N is ⌊N^2/5⌋(floor of N^2/5) a prime?
1. 1 answer
2. 340 views
Let x,y be complex numbers satisfyingx+y=a xy=b, where a and b are positive integers from 1 to 100 inclusive. What is the sum of
1. 1 answer
2. 447 views
What are the last three digits of the largest perfect square that can be expressed as p^2+pq+q^2, where p and q are (positive)
1. 1 answer
2. 393 views
Brilli the ant placed the numbers 1,2,…,n in order clockwise around a circle. She can create an infinite sequence A={aj}∞j=0
1. 1 answer
2. 441 views
Brilli the ant is considering the complexities of a 5-dimensional universe. She wants to count the number of integer points that
1. 1 answer
2. 336 views
Brilli the ant randomly placed a token into a square on a 2×100 chessboard according to a probability distribution P. The token
1. 1 answer
2. 331 views
When working with the properties of Saturated Steam.The pressure table supplied states: Pressure kPa = 1100 (P) Temp in Celsius
1. 1 answer
2. 395 views
A boiler furnace releases 10000.000kJ of heat for each kg of fuel burned and produces dry saturated steam at 10000.000kPa from
1. 1 answer
2. 499 views
A boiler furnace releases 10000.000kJ of heat for each kg of fuel burned and produces dry saturated steam at 10000.000kPa from
1. 1 answer
2. 464 views
A tie bar is made of a material having a tensile strength of 231 MPa and has to carry a load of 255 kN. What id the diameter of
1. 4 answers
2. 3,682 views
A tie bar is made of a material having a tensile strength of 231 MPa and has to carry a load of 255 kN. What is the diameter of
1. 2 answers
2. 510 views
Which of the following is a heterogeneous mixture?A. water in a swimming pool B. sugar water C. a jar of mixed nuts D. stainless
1. 2 answers
2. 1,237 views
When opposite poles of two magnets are brought together, the polesA. attract each other. B. repel each other. C. cancel each
1. 3 answers
2. 1,823 views
If no friction acts on a diver during a dive, then which of the following statements is true?A. The total mechanical energy of
1. 3 answers
2. 1,671 views
Energy from the sun reaches Earth mostly byA. conduction. B. convection. C. radiation. D. thermal expansion. I think it's A.
1. 14 answers
2. 7,300 views
The primary colors of pigmentsA. are cyan, yellow, and magenta. B. are the same as the secondary colors of light. C. combine in
1. 6 answers
2. 1,764 views

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