A. Mineral oils

B. Grease

D. Animal oils

A. 50

C. 300

D. 500

B. Silicon

C. Chromium

D. Nickel

A. Fractional distillation

C. Chromatography

D. Evaporation

A. Increases the hydrogen content in the metal

B. Increases the flame temperature

C. No significant change occurs

A. Process improvement

B. Cost reduction

C. Profit maximisation

A. 10

B. 50

C. 1000

A. Drops down in the tube

C. Rotates at lower speed

D. Rotates at higher speed

A. Nitrogen oxides

B. Hydrocarbons

D. Carbon monoxide

A. High temperature

B. Low pressure & load

C. Large surface wear

A. Gravity

C. Viscous

D. Pressure

B. Glass fibre in a metallic matrix

C. Polymer fibre in a glassy matrix

D. Both b & c

B. None of these

C. ?

D. 1

A. Mild steel

B. Brass

C. Lead

A. 0.6

C. 0.8

D. 0.4

B. Inversion temperature

C. Critical point

D. Eutectic temperature

A. Plexiglass

B. Lucite

D. Perspex

B. Hyper-eutectoid steel

C. Cast iron

D. Eutectoid steel

A. Froude

B. Euler

C. Reynolds

A. Rubber

C. Iron

D. Nickel

A. 1200 -1500

B. 2000 2300

D. 60 100

A. Aluminising

C. Alloying

D. Chromising

A. Fatigue limit

C. Surface hardness

D. Wear resistance

B. High precision components with complex cavities and sharp features

C. Components of such alloys whose constituents do not form alloys readily

D. Components of large size

B. Pressure die casting

C. Forging

D. Shell moulding

B. 1000

C. 100

D. 2000

B. Magnetic separator

C. Crusher

D. Dry classifier

B. Iodine

C. Bromine

D. Free chlorine

B. Heat generated by friction

C. Energy of high velocity electrons

D. Electrical energy

A. Isentropic

B. Polytropic

C. Isobaric

A. Oxy-hydrogen flame

B. Arc welding

D. Oxy-acetylene flame

A. C2H2

B. H2

D. S

A. Forward curved

B. Radial or straight

D. Double curved

A. Smaller radiator can be used

B. Comparatively less weight of coolant is required

D. Its higher boiling point (290C) increases its heat carrying capacity

A. On-off control

B. Floating control action

C. None of these

B. Bainitic

C. Ferritic

D. Martenistic

A. 0.02

B. 0.01

C. 0.001

A. Welding

C. Forging

D. Cold working

A. Dry bulb

B. Saturation

C. Dew point

A. Combustion

B. None of these

D. Fission

A. pH value

C. Dissolved oxygen content

D. Turbidity

B. Zirconia

C. Beryllium

D. Magnesia

A. Fertile

C. Heterogeneous

D. Critical

A. Pipe roughness & pipe diameter

B. Fluid velocity

C. Type of flowing fluid

A. FeO

B. CaO

D. MgO

A. Hardness & tensile strength

B. Iron content

D. Carbon content

B. 500

C. 1100

D. 750

A. Finishing cuts

B. Brittle materials

D. Hard materials

A. Tempering

C. Normalising

D. Annealing

A. t = 15 + 0.0065 h

B. t = 15 0.0035 h

C. t = 0.0035 h 15