A. Increase fluidity of solder by lowering its melting temperature

B. Full up the joint gap

C. Wash away surplus solder

A. Ramagundam

B. Kolar

D. Kudremukh

A. 75C

B. Room temperature

C. 150C

A. Aluminium brass

B. Admiralty brass

D. Titanium

A. Glycerol

B. Ethylene glycol

D. Ethyl alcohol

B. 1

C. 3-Jan

D. 2-Jan

A. Toughness

B. Softness

C. Internal stress level

A. Inventory control

B. Quality control

D. Sales forecasting

A. Steel plant

B. Coke oven battery

D. Petroleum refinery

A. Alumina

B. Zirconia

D. Bakelite

B. Martensite

C. Cementite

D. Pearlite

B. Ferrite

C. Cementite

D. Martensite

A. Relatively high sulphur content in the base metal

B. Sufficient hydrogen present in the welding arc

D. Retained austenite

A. Gr0.33, Gr0.25

B. Gr0.25, Gr0.33

D. Gr, Gr0.25

A. Chromium

C. Molybdenum

D. Vanadium

A. Bolt

B. Top bolt

C. None of these

A. Same valency

B. Same crystalline structure

C. Same atomic sizes

B. More but less than the diameter of bolt

C. Less

D. Same

A. Hydrostatic force

C. Surface tension force

D. Gravity force

A. Having maximum tensile strength along the lines of slag distribution

C. Ductile & resistant to corrosion/rusting

D. Weldable easily

A. Amorphous

B. Homogeneous

D. Granular

A. Antimonides of heavy metals

B. Arsenides & antimonides of heavy metals

D. Iron, cobalt and nickel

B. Using chemical reagents

C. Soap solution

D. Its smell

A. 15-Oct

B. 103

C. 1015

A. ?3/2

C. 2

D. ?2

B. Speed of the extruded material is same as that of ram speed

C. Redundant work is a function of the die angle

D. Relative motion between the billet surface and the container wall is always present

A. Diameter & length of the pipe

B. Temperature of hot pipe surface & that of air in the room

C. Emissivity of pipe surface

A. High vacuum

C. 0K

D. Earths centre

B. Annealing

C. Normalising

D. Case carburising

A. High carbon steel

B. Carbides

D. Stainless steel

A. Are magnetised by eddy currents only

C. Can be magnetised in one direction only

D. Are non-magnetic and cannot be magnetised

B. Glass

C. Distilled water

D. Brine (sea water)

A. Conductor

B. None of these

C. Insulator

A. Solid dispersed in liquid

B. Solid dispersed in gas

C. Gas dispersed in liquid

A. Volume

B. Point

D. None of these

A. Pig iron

C. None of these

D. Wrought iron

A. -55

B. -58

C. -33

A. Ordinary differential equation of nth order

C. None of these

D. Linear differential equation

A. Fats

B. Carbohydrates

D. Vitamins

A. Linearly

B. Exponentially

D. Slowly first and then rapidly

B. Fireclay

C. Magnesite

D. Chrome

A. 50

B. 30

D. 1

A. Tool replacement

B. Inspection

C. Idle

A. Remain same

B. Increase

D. May increase or decrease; depending on the type of metal

A. Velocity

C. Both A. & B.

D. Neither A. nor B.

A. Non machinable materials

C. Highly stressed parts

D. Cold rolled sheets

B. Head diameter

C. Shank diameter

D. None of these

A. Gaseous reduction

C. Mechanical attrition

D. Electrochemical deposition

A. Equal

B. More

C. Unpredictable

B. Limestone

C. Pig iron

D. Iron scrap