Search
.Management Sciences
Category: Mechanical Engineering Mcqs
Which type of boiler can meet rapid changes of load____________________?
A. vertical fire tube type
B. horizontal fire tube type
C. horizontal water tube type
D. vertical water tube type
E. forced circulation type
Transmission of power from the engine to the rear axle of an automobile is by means of___________________?
A. compound gears
B. worm and wheel method
C. Hooke’s joint
D. crown gear
E. bevel gears
In petrol engine, increase of cooling water temperature will_________________?
A. increase the knocking tendency
B. decrease the knocking tendecny
C. not affect the knocking tendency
D. increase or decrease knocking tendency depedning on strength and time of spark
E. unpredictable
Two dimensional flow occurs when________________?
A. the direction and magnitude of the velocity at all points are identical
B. the velocity of successive fluid particles, at any point, is the same at successive 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
If the opposite links of a four bar linkage are equal, the links will always form a_________________?
A. triangle
B. rectangle
C. parallelogram
D. pentagon
E. trapezoid
Tertiary air is the air used to____________________?
A. provide air around burners for obtaining optimum combustion
B. transport and dry the coal
C. cool the scanners
D. supply air for ignitors
E. convert CO (formed in lower zone of furnace) into C02 at higher zone
Which law states that the specific heat of a gas remains constant at all temperatures and pressures______________________?
A. Charles’ Law
B. Joule’s Law
C. Regnault’s Law
D. Boyle’s Law
E. there is no such law
Applications in which stresses are encountered in one direction only uses following type of threads____________________?
A. metric
B. buttress
C. acme
D. square
E. BSW
In actual machines_______________?
A. mechanical advantage is greater than velocity ratio
B. mechanical advantage is equal to velocity ratio
C. mechanical advantage is less than velocity ratio
D. mechanical advantage is unity
E. none of the above
At which pressure the properties of water and steam become identical_________________?
A. 0.1 kg/cm2
B. 1 kg/cm2
C. 100 kg/cm2
D. 225.6 kg/cm2
E. it is never possible
Recent Comments