Atmospheric pressure held in terms of water column is
A.7.5 m
B.8.5 m
C.9.81 m
D.10.30 m
Category: Mechanical Engineering Mcqs
A fathometer works on the principle of
A.Reflection of sound waves
B.Reflection of magnetic waves
C.Reflection of radio waves
D.Reflection of ultrasonic waves
E.Reflection of gamma rays
Force on a flat stationary plate is
A.Velocity of jet before impact – velocity after impact
B.Difference in velocities of jet in the direction normal to plate
C.Mass of water x (difference in velocities of jet)
D.Mass of striking water x (velocity before impact in the direction normal to plate-velocity fter impact in the direction normal to plate).
E.None of the above
Which of the following place is not associated with nuclear power plants?
A.Narora
B.Kamalappakam
C.Bangalore
D.Tarapur
E.Kora
While evaluating the strength of riveted joint in shearing, bearing or tension the calculations are based on
A.Actual size of rivet
B.Actual size of hole drilled for the rivet
C.Mean of the size of hole and drilled hole
D.Smaller of the two holes
E.None of the above
A standard ground drill for use on mild steel has a point angle of
A.30?
B.60?
C.80?
D.118?
E.138?
Which of the following phosphor bronze material is usually brazed?
A.Phosphor bronze
B.Beryllium copper
C.Alloy steel
D.K-monel
E.Stainless steel
The transmission lag in mercury thermometers is generally
A.Very high
B.High
C.Average
D.Low
E.Negligible
Which of the following place is not associated with steel plant?
A.Salem
B.Visakhapatnam
C.Bhadravati
D.Udaipur
In which contact condition case the value of coefficient of friction is expected to be highest?
A.Steel on concrete
B.Steel on steel
C.Steel on steel, greased plates
D.Packing and liner
E.Steel on steel with two layers of graphite service in between
