Which one of the following cannot be used as a moulding material
A.Cement
B.Paper
C.Wood
D.Rubber
E.Glass
Category: Mechanical Engineering Mcqs
Which of the following gears is free from axial thrust
A.Worm gears
B.Herringbone gears
C.Spiral gears
D.Helical gears
E.Bevel grars
A 0.5 kg weight attached to a light spring elogates it 7.87 mm. The natural frequency of the system would be in the range
A.25-50 cpm
B.50-100 cpm
C.100-175 cpm
D.175-290 cpm
E.300-350 cpm
A piezometer is used to measure
A.Very low pressures
B.Pressure differential
C.Atmospheric pressures
D.High pressures
E.Pressures above and below atmospheric pressure
In the simple bending theory one of the assumptions usually made is that the plane sections before bending remain plane after bending. This assumption implies that
A.Stress is uniform in the beam cross-section
B.Stress is uniform in the beam cross section
C.Stress is proportional to the distance from the neutral axis
D.Strain is proportional to the distance from the neutral axis
E.Stress is proportional to strain at all section
The term ‘critical’ is associated with which type of power plant?
A.Steam power plant
B.Diesel engine power plant
C.Gas turbine power plant
D.Nuclear power plant
E.Hydro-electric power plant
When visible light is scattered by air molecules which wavelengths are scattered the leave?
A.Violet
B.Yellow
C.Blue
D.Red
The linear characteristics of valve is
A.In which the length of valve is more than 10 times the width
B.In which the longest parameter of valve is not less than 20 times the widest part of the valve
C.In which the valve steam operates linearly
D.One in which the flow is directly proportional to the valve lift
E.None of the above
Careful handling of fuel is essential for which of the following power plant?
A.Hydro-electric power plant
B.Diesel engine power plant
C.Gas turbine power plant
D.Nuclear power plant
E.Steam power plant
In anti-ferromagnetic materials the spin moments associated with two sets of atoms are aligned
A.Anti-parallel to each other
B.Parallel to each other
C.Random to each other
D.Anti-parallel but of unequal magnitudes
E.None of the above
