Category: Mechanical Engineering Mcqs
The resultant of all normal pressures acts___________________?
A. at e.g. of body
B. at center of pressure
C. vertically upwards
D. at metacentre
E. vertically downwards
In the case of compression ignition engine, the %age of CO in exhaust gases is________________?
A. Zero
B. 5-10%
C. Depends on load
D. Considerable percent
Normal depth in open channel flow is the depth of flow corresponding to_______________?
A. steady flow
B. unsteady flow
C. laminar flow
D. uniform flow
E. critical flow
Brass contains___________________?
A. 70% copper and 30% zinc
B. 90% copper and 10% tin
C. 85-92% copper and rest tin with little lead and nickel
D. 70-75% copper and rest tin
E. 70% copper and 30% tin
Medium specific speed of a pump implies it is_________________?
A. centrifugal pump
B. mixed flow pump
C. axial flow pump
D. any one of the above
E. none of the above
The value of Poisson’s ratio for steel is between_________________?
A. 0.01 to 0.1
B. 0.23 to 0.27
C. 0.25 to 0.33
D. 0.4 to 0.6
E. 3 to 4
Micromotion study involves following number of fundamental hand motions_______________?
A. 8
B. 12
C. 16
D. 20
E. 24
A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_______________?
A. 38 m
B. 62.5 m
C. 96 m
D. 124 m
E. 240 m
Thermal conductivity of non-metallic amorphous solids with decrease in temperature __________________?
A. increases
B. decreases
C. remains constant
D. may increase or decrease depending on temperature
E. unpredictable
Condensing temperature in a refrigerator is the temperature_________________?
A. of cooling medium
B. of freezing zone
C. of evaporator
D. at which refrigerant gas becomes liquid
E. condensing temperature of ice
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