Which of the following bearing will have least coefficient of friction
A.Self aligury bearing
B.Cylinderical roller bearing
C.Thrust ball bearing
D.Single ball bearing
E.Tapered bearing
Category: Mechanical Engineering Mcqs
A run-of-river hydro-electric station is one which is
A.Located on a small river
B.Located on a river which does not flow throughout the year
C.Located on a steam flow without water storage
D.Locted on a steam flow with large water storage
E.None of the above
Which of the following cycle consists of two constant pressure and two adiabatic processes?
A.Carnot cycle
B.Joule cycle
C.Dual cycle
D.Diesel cycle
E.Otto cycle
A measure of the system’s ability to handle transients is known as
A.Amplitude response
B.Rise time
C.Phase response
D.All of the above
At solar noon on the equinoxes the solar zenith angle is equal to
A.the latitude angle
B.the hour angle
C.the solar altitude angle
D.none of the above
For speed reduction in the ratio of 100 the type of gear preferred is
A.Spur gear
B.Helical gear
C.Bevel gear
D.Hypoid gear
E.Worm and worm wheel
If the above tape weights 0.001 kg/ft, sag is
A.2.73 ft
B.2.90 ft
C.3.03 ft
D.3.13 ft
To measure the speed of a shaft without physical contact the method used is
A.Digital method
B.Variable reluctance tachometer
C.Stroboscope
D.Any of the above
The unit of diffusion coefficient is
A.metre second
B.metre second-1
C.metre2 second-1
D.metre-2 second-1
Type of radiation expected from earbon 14 is
A.Alpha
B.Beta
C.Gamma
D.Alpha, Beta, Gamma
