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Mechanical Engineering
Page 4
Questions (236)
A water pump of 1.2kilowatts rating,pumps 480g of water into an over head tank at a height of 5m in 30 seconds. What is d
3 answers
asked by
Baron
881 views
A small component of 1cm x 1 cm x 1 cm is subject to external forces coming from all directions. Design a holder for the
1 answer
asked by
John
863 views
HW5_1: REACTION AT SUPPORT AND INTERNAL AXIAL TORQUE RESULTANT
We will use moment equilibrium around the x axis to calculate the
15 answers
asked by
MAN
838 views
What do you call the two parts of the lift that goes down a mine?
2 answers
asked by
Anonymous
818 views
A particular machine has "mechanical disadvantage". What is the purpose of using such a machine?
2 answers
asked by
Anonymous
759 views
A "swing" ride at a carnival consists of chairs that are swung in a circle by 16.6 m cables attached to a vertical rotating
1 answer
asked by
heather
731 views
Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is half
2 answers
asked by
Jon
735 views
Given: Compressor speed is 1500rpm. The compressor has a bore of 3.125 in, a stroke of 3.26in and a connecting rod crank ratio
1 answer
asked by
zenden
696 views
Rotating blade (body force in axial loading)
A blade is fixed to a rigid rotor of radius R spinning at omega(w) rad/sec around
2 answers
asked by
mehwish
600 views
I am supposed to design a simple lever that could be raised and lowered smoothly using nitinol wires. Can anyone give me any
2 answers
asked by
Anonymous
551 views
Explain what a sheave wheel is and it's function
2 answers
asked by
Mihle
512 views
container factory uses a 450 W motor to operate a conveyor belt that lifts containers from one
floor to another. To lift 250 1-kg
2 answers
asked by
Rob
545 views
An Engineer is designing a bolt to fit a new machine. The bolt was the shape of a hexagon with a cymetrical hole in its center.
2 answers
asked by
hector
532 views
Determine the indicator
horse power and piston displacement of a machine of the piston area 100m^2 given the piston stroke to be
2 answers
asked by
Eric
504 views
Design a carnival ride on which standing passengers are pressed against the inside curved wall of a rotating vertical cylinder.
2 answers
asked by
Anonymous
516 views
what do gears do
1 answer
asked by
dvd
29 views
A grain bucket conveyor (grain leg) raises soybeans from the ground level up to the peak of its height, h= 150 ft. A bushel of
2 answers
asked by
Max
522 views
A metal pipeline is laid to carry oil 500 miles
across desert.Temp @ night is 30 F: during day temp is 130 F? The linear
2 answers
asked by
joe
496 views
A drive shaft of a belt conveyor system transmits 12kW of power at a speed of 40 rpm. If the shaft diameter is 50mm * 120mm
1 answer
asked by
jon smith
475 views
the input to a 93.33 efficient belt drive system is 75 kw. what is the output ?
1 answer
asked by
pash
464 views
describe the troubles of boilers when impure water is used
1 answer
asked by
Anonymous
445 views
The built-in composite bar BC of length L=2 m is composed of two materials with equal cross sectional area A = 100 mm2. The
1 answer
asked by
DELL
464 views
A solid shaft of 65mm outside diameter and a hollow shaft of 85mm outside diameter are connected by 6 bolts with the mean pitch
1 answer
asked by
Michel
466 views
What is the output distance of a screw ?
1 answer
asked by
Tess
14 views
Accident meaning
1 answer
asked anonymously
21 views
Which is the equation for a machine’s efficiency?(1 point)
Responses Efficiency=input energyoutput energy ⋅ 100
1 answer
asked by
u dont know me
26 views
A pulley system is operating at only 50% efficiently. How could the efficiency be increased?
1 answer
asked anonymously
39 views
What is the main purpose of the design of a water hose?
(1 point) Responses aesthetics aesthetics communication communication
11 answers
asked by
Beady
47 views
Suggest one way to increase the efficiency of a pulley system
1 answer
asked by
random
12 views
The efficiency of a machine can be increased by:
a decreasing force. b reducing friction. c decreasing distance. d reducing work.
1 answer
asked anonymously
33 views
Another name for actuator ise
1 answer
asked anonymously
14 views
Another name for actuator is
1 answer
asked anonymously
21 views
by sharpening a wedge, you blank the machines mechanical advantage.
A)lose B)do not affect C)decrease D)increase
1 answer
asked anonymously
22 views
Do you think there would be a difference in performance if the driven gear had the teeth on the outside or inside of the wheel
1 answer
asked anonymously
12 views
A pulley system is operating at only 50 % efficiency.how could the efficiency be increased(1point)
1 answer
asked anonymously
72 views
The plunger of a three-cylinder water pump has a diameter of 80 mm and a stroke length of 260 mm. The pressure during the
1 answer
asked anonymously
43 views
a simple gear system consisting of a gearwheel A and pinion B of which the centre distance is approximately 700 mm. If the
1 answer
asked anonymously
24 views
a simple gear system consisting of a gearwheel A and pinion B of which the centre distance is approximately 700 mm. If the
1 answer
asked anonymously
25 views
a simple gear system consisting of a gearwheel A and pinion B of which the centre distance is approximately 700 mm. If the
1 answer
asked anonymously
24 views
Which career field involves the design, manufacture and use of various types of machinery, technology and buildings?
(1 point)
1 answer
asked anonymously
44 views
Which career field involves the design, manufacture and use of various types of machinery, technology and buildings?
(1 point)
1 answer
asked anonymously
38 views
A roller coaster before it stays is an example of
1 answer
asked anonymously
9 views
A belt conveyor must transmit 135 kW of power. The driving pulley has a diameter of 500 mm, and rotates at 75 r/min. Assume that
1 answer
asked by
ADIVHAHO
24 views
Centrifugal cleaning
1 answer
asked anonymously
10 views
1. Determine time interval for each state Tst (motor phase switching delay) required to implement the specified motor speed 1 in
9 answers
asked anonymously
27 views
Define the following and state four examples each
1. Forced viberation 2. Damped viberations 3. Natural viberations 4. Compound
1 answer
asked anonymously
10 views
Which advantage does a screw have over a nail? (1 point)
Responses A screw allows the force to be applied in a more convenient
1 answer
asked by
ghsd
30 views
Why are hydraulic systems often used in lifting and moving heavy objects
1 answer
asked by
Mokgadi
11 views
Describe one advantage and one disadvantage of using hydraulic systems
1 answer
asked by
Mokgadi
8 views
Describe one disadvantage of using hydraulic systems
1 answer
asked by
Mokgadi
9 views
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