Related Questions

Upto the critical radius of insulation,
A Added insulation will increase heat loss
B Added insulation will decrease heat loss
C Convective heat loss will be less than conductive heat loss
D Heat flux will decrease
The critical radius is the insulation radius at which the resistance to heat flow is
A Maximum
B Minimum
C Zero
D None of these
The critical radius 'r' of insulation on a pipe is given by
A $${\text{r}} = \frac{{2{\text{k}}}}{{\text{h}}}$$
B $${\text{r}} = \frac{{\text{k}}}{{\text{h}}}$$
C $${\text{r}} = \frac{{\text{k}}}{{2{\text{h}}}}$$
D $${\text{r}} = \frac{{\text{h}}}{{\text{k}}}$$
A policy taken with critical illness rider benefit is being assigned. Which type of assignment would suit the intended purpose because if the life insured is diagnosed with a critical illness, he only should receive the critical illness rider claim?
A Absolute assignment
B Conditional assignment
C Loan assignment
D Collateral assignment
The line insulation is the insulation level of the station equipment.
A less than
B same as
C more than
D proportional to
E not directly related with
The insulation between windings and grounded core and the insulation between the windings of the same phase is
A minor insulation
B major insulation
C either of the above
D none of the above
The critical thickness of insulation for a sphere is
A k/h0
B 2k/h0
C h0/k
D h0/2k
A cylindrical rod of iron, whose height is equal to its radius ,is melted and cast into spherical balls whose radius is half the radius of the rod. find the number of balls.
A 3
B 4
C 5
D 6
A cylindrical rod of iron, whose height is equal to its radius, is melted and cast into spherical balls whose radius is half the radius of the rod . Find the number of balls.
A 2
B 3
C 4
D 6
The safe speed for a train rounding a corner is proportional to the square root of the radius . If the safe speed for a curve of radius 49 meters is 28 km/h. The safe speed for a curve of radius 64 metes is :
A (256/7)km /h
B (256/7) km /h
C 32 km /h
D 23 km /h

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