A. None of these

B. Lime

C. Periclase

B. Archimedes principle

C. Newtons third law of motion

D. Newtons second law of motion

A. < 5

B. None of these

C. > 1

A. Steadily increasing flow through a pipe

B. Motion of water around a ship in a lake

D. Motion of river around bridge piers

A. Rotameter

B. Segmental orificemeter

C. Pitot tube

A. Bingham plastic

C. Pseudo-plastic

D. Newtonian liquid

A. Applicable to laminar flow problems

B. None of these

D. A universal constant

A. May increase or decrease; depends on its alumina content

C. Decreases

D. Remain constant

A. Axial flow compressor

B. Centrifugal compressor

D. Reciprocating compressor

A. Rate of flow in each pipe is proportional to the length of

B. Total flow rate is the sum of flow rate in

C. Head loss is same through

B. 0.66

C. 0.5

D. 0.25

A. Crushing strength

C. Both A. and B.

D. Neither A. nor B.

A. Decreases due to increased frictional resistance

B. Decreases due to reduced viscosity

D. Increases due to increased vapour pressure

A. 1300

B. 1450

D. 1150

A. Segar cones

C. Insulating bricks

D. Muffles for muffle furnaces

A. Froude

B. Mach

C. Weber

B. Soaking pit

C. Blast furnace

D. Coke ovens

A. Corundum

C. Periclase

D. Bauxite

B. N2D

C. N2D3

D. ND2

B. Lift compressed air

C. Lift air under negative pressure

D. Compress air

B. None of these

C. Velocity

D. Turbulence

A. 60 to 75

B. 5 to 10

D. 45 to 60

A. Poor resistance to the penetration of molten slag, metal & flue gases

C. Better thermal spalling resistance

D. Poor heat conductivity & low strength

A. Have very low (50 kg/cm2) cold crushing strength (C.C.S.), and cannot be used in metalcase

C. Have very low thermal co-efficient of expansion

D. m

E. Are not at all resistant to the corrosive action of iron oxide

A. Root mean square of velocity fluctuations in the three co-ordinate directions

B. Temporal velocity components

C. None of these

A. 5

B. 0.5

D. 500

A. Dividing by specific gravity

C. Multiplying with density (gm/c.c)

D. Multiplying with specific gravity

A. Low refractoriness

B. High thermal diffusivity

C. Very high thermal conductivity

A. Surface tension

B. Fluid density

C. Gravity forces

A. Stream lines are not circular

C. Radial component of velocity is same everywhere

D. Flow is necessarily rotational

B. Rotation

C. Linear deformation

D. Translation

A. High strength and density

B. High resistance to spalling

C. All A., B. and C.

A. None of these

C. pv = constant

D. pvr= constant

B. Fusion point

C. Slag penetration resistance

D. Thermal conductivity

B. None of these

C. Oxidising condition in the furnace

D. Increased thermal conductivity of brick

B. None of these

C. Steady, density being pressure dependent, frictionless

D. Uniform, steady, incompressible, along a streamline

A. Sound to that of the fluid

C. Light to that of the fluid

D. Fluid to that of the light

A. Flow nozzle

C. Orificemeter

D. Venturimeter

A. Screw

B. Gear

D. Reciprocating

B. Porosity

C. Specific gravity

D. Thermal conductivity

A. Low specific heat

C. Low thermal co-efficient of expansion

D. Greater diffusivity

A. Rate of transfer of molecular momentum

B. Cohesion

D. Neither A. nor B.

B. Corrosion by layer of slag

C. Both A. & B.

D. Neither A. nor B.

A. Inversely proportional to

C. Inversely proportional to square of

D. Directly proportional to

B. Venturimeter

C. All of them incur the same head loss

D. Flow nozzle

B. Deliver fluid with pulsating/fluctuating discharge

C. Do not need priming

D. Run at a lower speed for the same discharge

A. Remain same

B. Increases

D. May increase or decrease

A. None of these

B. Lime slag

D. Iron oxide

B. Kyanite

C. Diaspore

D. Sillimanite

A. Zirconia

C. Alumina

D. Magnesia