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.Management Sciences
Category: Mechanical Engineering Mcqs
Which of the following cycles has maximum efficiency_____________?
A. Rankine
B. Stirling
C. Carnot
D. Brayton
E. Joule
The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?
A. lean mixture
B. chemically correct mixture
C. rich mixture
D. unpredictable
E. none of the above
A number of forces acting at a point will be in equilibrium if_____________________?
A. their total sum is zero
B. two resolved parts in two directions at right angles are equal
C. sum of resolved parts in any two per-pendicular directions are both zero
D. all of them are inclined equally
E. none of the above
When a body floating in a liquid, is displaced slightly, it oscillates about _________________?
A. e.g. of body
B. center of pressure
C. center of buoyancy
D. metacentre
E. liquid surface
CPM is the___________________?
A. time oriented technique
B. event oriented technique
C. activity oriented technique
D. target oriented technique
E. work oriented technique
Sulphur content of fuels is very important to the plant operators because it____________________?
A. has high heating value
B. retards electric precipitation
C. promotes complete combustion
D. has highly corrosive effect
E. facilitates ash removal
To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use__________________?
A. spur gear
B. spiral gear
C. bevel gear
D. worm gear
E. crown gear
The following element can’t impart high strength at elevated temperature__________________?
A. manganese
B. magnesium
C. nickel
D. silicon
E. none of the above
In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?
A. W between P and F
B. F between W and P
C. P between W and F
D. W, P and F all on one side
E. none of the above
The maximum compression ratio in an actual single stage axial flow comperssor is of the order of________________?
A. 1 : 1.2
B. 1 : 2
C. 1 : 5
D. 1 : 10
E. 1 : 1
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