While designing a shaft pulley and key for a system
A.Shaft is the weakest member
B.Pulley is the weakest member
C.Key is the weakest member
D.All are designed for equal strength
E.None of the above
Category: Mechanical Engineering Mcqs
Triple point
A.Occurs in sublimation
B.Occurs in a mixture of two or more gases
C.Is the range of temperature within which three constituents simultaneously change phase
D.Is that point where three phases solid, liquid and gas exist together
E.None of the above
Steel balls are required in large quantities. Which process would you select for the manufacture?
A.Turning on a lathe
B.Turning on a Capstan of Turret lathe
C.Turning on a automatic lathe
D.Cold heading
E.Casting
The chain used in motor cycles is generally
A.Silent type
B.Pintle type
C.Ewast type
D.Bush roller type
E.Double roller type
When ammonia is used as a refrigerant in vapour compression cycle, the mass circulated per ton of refrigerating effect will be nearly
A.0.2 kg
B.0.5 kg
C.1 kg
D.1.2 kg
E.1.8 kg
In general, high cohesive forces are related to
A.Large values of elastic constants
B.Low melting point
C.Large coefficients of thermal expansion
D.Small value of elastic constants
E.None of the above
The type of bearing to be selected for application where low torque, low coefficient of friction, non-magnetic properties and long life are required would be
A.Bush bearing
B.Ball bearing
C.Roller bearing
D.Needle bearing
E.Jewel bearing
Relief angle on HSS tools usually vary from
A.3 to 10?
B.11 to 15?
C.16 to 150?
D.22 to 27?
E.28 to 30?
Undershot water wheels are those on which water acts
A.Purely by impulse
B.Partly by impulse and partly by reaction
C.Purely by reaction
D.None of the above
Which one does not fit with the rest in the following?
A.Scale
B.Micrometer
C.Pitch gauge
D.Twist drill
E.Vernier caliper
