1 mm Hg pressure is equivalent to
A.1.333 x 102 N/m2
B.1.333 x 10-3 bar
C.1.3158 x 10-3 atm
D.1.332 x 102 kg/m-sec2
E.Any of the above
Category: Mechanical Engineering Mcqs
The angle of obliquity is kept small in order
A.To reduce force of friction
B.To minimise axial load
C.To minimise power loss in gearing
D.To avoid larger throusts
E.None of the above
The neutral axis of beam
A.Is subjected to maximum stress
B.Is subjected to maximum shear force
C.Has tensile stress on one side and compressive stress on the other
D.Is in the same plane in which the beam bends
E.None of the above
A stub tooth is one that is
A.Thicker in proportion to its length than involute tooth
B.Same as involute tooth
C.Smaller in proportion to its length than the involute tooth
D.None of these
Which of the following is a higher pair?
A.A shaft revolving in a bearing
B.Piston reciprocating inside the cylinder
C.Automobile steering gear
D.Ball and socket
E.None of the above
Volume of air at 27?C is 2 cu-m. What will be the volume at 327?C
A.2 cu-m
B.3 cm-m
C.4 cu-m
D.8 cu-m
E.12 cm-m
If a rectangular shaft is subjected to torsion, the maximum sher stress will occur
A.Along the diagonal
B.At the comers
C.At the centre
D.At the middle of the small side
E.At the middle of the longer side
While evaluating the minimum number of teeth on a opinion the major consideration is
A.The minimum diameter of the pinion
B.The shaft diameter on which pinion is to be mounted
C.To avoid interference
D.To minimise clearance
E.Operating speed
Identify the incorrect statement if any Zeolite process is suitable for
A.Removing temporary hardness
B.Removing permanent hardness
C.Cent percent removal of hardness
D.Acidic waters
E.When zeolite becomes inactive, it may be reactivated by flushing with brine solution
Ionisation chamber can be used for the detection of all of the following EXCEPT
A.beta rays
B.X-rays
C.gamma rays
D.Alpha rays
