Mechanics Engineering MCQs
Mechanics Engineering MCQs
Our team has conducted extensive research to compile a set of Mechanics Engineering MCQs. We encourage you to test your Mechanics Engineering knowledge by answering these multiple-choice questions provided below.
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1: The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.
A. Greater than
B. Equal to
C. Less than
2: Which of the following is not used as a refrigerant?
A. Carbon dioxide
B. Sulphur dioxide
C. Amonia
D. Carbon monoxide
3: The mechanical advantage of a lifting machine is the ratio of
A. All of these
B. Load lifted to the effort applied
C. Output to the input
D. Distance moved by effort to the distance moved by load
4: According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
A. False
B. True
5: The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
A. None of these
B. Principle of independence of forces
C. Principle of transmissibility of forces
D. Principle of resolution of forces
6: A redundant frame is also called __________ frame.
A. Deficient
B. Imperfect
C. Perfect
7: Quick return motion is used in a
A. Lathe
B. Grinder
C. Shaper
D. Drilling
8: The unit of angular acceleration is
A. Rad/s2
B. N-m
C. M/s
D. M/s2
9: If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
A. 60°
B. 90°
C. 30°
D. 120°
10: Which of the following operations cannot be performed on a lathe
A. Thread cutting
B. Drilling
C. Slotting
D. Facing
11: Mandrels are used to hold
A. Drill bits
B. Hollow work pieces
C. Face plate
D. Cutting tools
12: Rapping allowance is provided on a pattern to take care of
A. Shrinkage
B. Distortion
C. Easy withdrawal
D. Machining
13: An aircraft gas turbine operates on
A. Sterling cycle
B. Rankine cycle
C. Bryton cycle
D. Otto cycle
14: The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is
A. 15 KW
B. 6000 KW
C. 150 KW
D. 600 KW
15: One of the following methods is adopted for governing of steam turbines in a power plant
A. Hit and miss governing
B. Speed control
C. Blow off in boiler
D. Throttle governing
16: Upsetting is the term used in one of the following operations
A. Turning
B. Forging
C. Casting
D. Drilling
17: The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force.
A. Agree
B. Disagree
18: The coefficient of restitution for elastic bodies is one.
A. Correct
B. Incorrect
19: The pump with a low initial cost and low maintenance cost is
A. Double acting piston pump
B. Centrifugal pump
C. Bucket pump
D. Gear pump
20: Static friction is always __________ dynamic friction.
A. Equal to
B. Less than
C. Greater than
21: ________ involves the use of computers to direct manufacturing processes.
A. Computer-aided manufacturing
B. Work sampling
C. Just-in-time systems
D. Process control
22: The energy from the sun that warms your face is transferred by a process called ______.
A. Heat transfer
B. Radiation
C. Convection
D. Convection currents
23: A shorter electromagnetic wave is _____. more powerful less powerful hotter colder
A. More powerful
B. Less powerful
C. Hotter
D. Colder
24: Large amounts of _____ enter the united states through the miami airport.
A. Wheat grain
B. Main deck.
C. Major areas
D. Cut flowers
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Mechanics Engineering MCQs
