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.Management Sciences
Category: Mechanical Engineering Mcqs
Engine pistons ‘are usually made of aluminium alloy because it_________________?
A. is lighter
B. wears less
C. absorbs shocks
D. is stronger
E. does not react with fuel and lub oil
Transverse fillet welded joints are designed for________________?
A. tensile strength
B. compressive strength
C. shear strength
D. bending strength
E. torsional strength
The efficiency of a Carnot engine depends on_______________________?
A. working substance
B. design of engine
C. size of engine
D. type of fuel fired
E. temperatures of source and sink
Bomb calorimeter is used to determine ___________________?
A. Higher calorific value at constant volume
B. Lower calorific value at constant volume ,
C. Higher calorific value at constant pressure
D. Lower calorific value at constant pressure
E. None of the above
A streamline is defined as the line________________?
A. parallel to central axis flow
B. parallel to outer surface of pipe
C. of equal yelocity in a flow
D. along which the pressure drop is uniform
E. which occurs in all flows
Merit Rating is the method of determining worth of_______________?
A. a job
B. an individual employee
C. a particular division in workshop
D. machine
E. overall quality
Choose the wrong statement Time study is used to_________________?
A. determine overhead expenses
B. provide a basis for setting piece prices or incentive wages
C. determine standard costs
D. determine the capability of an operator to handle the number of machines
E. compare alternative methods
If a material fails below its yield point, failure would be due to___________________?
A. straining
B. fatigue
C. creep
D. sudden loading
E. impact loading
True one-dimensional flow occurs when_________________?
A. the direction and magnitude of the veiocity at all points are identical
B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time
C. the magnitude and direction of the velocity do not change from point to point in the fluid
D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
E. velocity, depth, pressure etc. change from point to point in the fluid flow
Spring index is___________________?
A. ratio of coil diameter to wire diameter
B. load required to produce unit deflection
C. its capability of storing energy
D. indication of quality of spring
E. nothing
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