For v = 3 St and p = 0.80 g/cm3 in N.s/m2 is
A.0.375
B.3.75
C.0.24
D.2.4
Category: Engineeeing Mcqs
While dragging, the coefficient of friction (using steel plate) will be least in case of
A.anthracite coal
B.bituminous coal
C.hog fuel
D.coke
Specific speed (fps) = k x specific speed (metric where value of k is (for turbines)
A.1
B.2
C.4.45
D.8.91
E.9.81
People will tend to demand money if they think
A.The rate of interest will fall
B.The price of goods will fall
C.The price of goods will rise
D.The price of bonds will fall
E.All of the above
An average adult while sitting in a cinema hall
A.Absorbs about 100 kcal of heat per hour
B.Absorbs about 500 kcal of heat per hour
C.Discards about 500 kcal of heat per hour
D.Discharges about 100 kcal of heat per hour
E.Neither absorbs nor discards heat
Driving wheel hearings in automobiles are always
A.Bush bearing
B.Clad metal bearings
C.Anti-friction bearings
D.Either (A) or (B)
E.Either (B) or (C)
Which of the following material does not have hexagonal close packed structure?
A.Magnesium
B.Alpha iron
C.Titanium
D.Zinc
E.Cadmium
Heavy water used in nuclear reactors is
A.a product of oxygen and deuterium
B.an ordinary water containing dissolved salts of heavy metals
C.water of mineral springs
D.water produced by repeated distillation and condensation
The collection efficiency of electrostatic precipitator depends on
A.the electrode area
B.the particle drift velocity
C.the gas flow rate
D.all of the above
