Thermocouples use two
A.dissimilar metal wires
B.similar metal wires
C.similar metal strips
D.dissimilar metal strips
Category: Engineeeing Mcqs
Select the quantity in the following that is not a dimensionless parameter:
A.Pressure coefficient
B.Froude number
C.Darcy weisbach friction factor
D.Kinematic viscosity
E.Weber number
A casting process which can produce cylinders by inserting cores into molten metal poured in the mould is
A.Semi permanent mould casting
B.pressed casting
C.permanent mould or gravity die casting
D.none of the above
The advantage of piezoelectric crystal as transducer is
A.High frequency response
B.High output
C.Negligible phase shift
D.Small size
E.All of the above
The aphelion occurs on about
A.3-Jul
B.2-Jan
C.21-Jun
D.21-Mar
A right circular cylinder open at the top is filled with liquid (specific gravity 1.2) and rotated about its vertical axis at such speed that half the liquid spills out. The pressure at centre of the bottom is
A.Zero
B.One eighth of its value when cylinder was full
C.One fourth of its value when cylinder was full
D.Half of its value when cylinder was full
E.Same as before rotation
Boiler plant ash is generally handled using
A.hydraulic conveyors
B.belt conveyors
C.screw conveyors
D.any of the above
Which of the following is a resource?
A.Time
B.Men
C.Money
D.All of the above
V-belt sections generally used in an automobiles are
A.A and B
B.C
C.D
D.E
E.Any one of the above
A perfect black body is
A.Black in colour
B.One which absorbs total radiant energy
C.One which does not reflect the radiant energy
D.One through which radiant energy is not transmitted
E.One which absorbs all radiant energy at all wavelengths
