Heat transfer by ______________ is almost absent in case of fluidised bed drying operation? A. Radiation B. Conduction C. Convection D. Both B. & C.

What is the range of tempering temperature (°C) for most of the materials ? A. 75-100B. 200-300 C. 350-450 D. 500-600

Boiler draught of 10 mm water column is equivalent to_____________________? A. 1 kgf/m2B. 10 kgf/m2 C. 10 kgf/mm2 D. 1 kgf/mm2

Surface tension of a liquid_________________? A. Is due to intermolecular forces of cohesion B. Decreases with rise in temperature C. Is responsible for the spherical shape of an isolated liquid dropD. All A, B. & C

Gas turbine normally employs a constant _______________ cycle? A. Pressure B. Temperature C. Volume D. None of these

Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________________ method? A. Diminishing balance B. Sinking fund C. Multiple straight line D. Sum of the years digit

An example of unsteady non uniform flow is the flow of liquid under pressure through a__________________? A. Tapering pipe at constant flow rateB. Tapering pipe at either decreasing or increasing flow rate C. Long pipeline of constant diameter D. None…

A material subjected ________________ must have high resilience? A. Shock loading B. Vibration C. Fatigue D. Tension

A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place_________________? A. The better insulation material should be put just next to pipe (i.e., inside) B.…

Lead is added to 60:40 brass primarily to improve_________________? A. Machinability B. Corrosion resistance C. Fluidity D. Strength