Which one does not fit with the rest in the following?
A.Scale
B.Micrometer
C.Pitch gauge
D.Twist drill
E.Vernier caliper
Category: Mechanical Engineering Mcqs
A hot wire anemometer is a variable
A.Inductance transducer
B.Resistance transducer
C.Capacitance transducer
D.Current transducer
E.Frequency transducer
The average pressure on the walls of a vessel will be doubled if the
A.average velocity of the molecules in it is doubled
B.the number of molecules in the vessel is doubled
C.the mass of each molecule is doubled
D.the mass of each molecule is halved
If ?1 and ?2 are the wavelengths at the point of maximum intensity of a blackbody spectrum for a system at a temperature of 3000 K and 6000 K then
A.?1 = 2?2
B.?2 = 2?1
C.?1 = ?2
D.2727?1 = 5727?2
An unknown weight falls through 1 cm on a collar rigidly attached to the lower end of a vertical bar 3 m long and 6 m2 in section. If the maximum instantaneous extension is 2 mm the value of stress would be
A.500 kg/cm2
B.667 kg/cm2
C.1000 kg/cm2
D.1333 kg/cm2
E.1500 kg/cm2
The term ‘balance of trade’ is associated with
A.imports and exports
B.taxation
C.gross profits of a company
D.budgeting
The specific gravity of diesel oil is closer to
A.2.7
B.1.35
C.1
D.0.84
E.0.35
Solar pond is a body of saline water in which the salt concentration
A.increases from the top surface to the bottom surface
B.decreases from the top surface to the bottom surface
C.remains the same in the whole pond
D.none of the above
Venturi tubes are generally made of
A.stainless steel
B.aluminium
C.cast iron
D.phosphor bronze
