A. takes place in straight lines

C. is steady uniform flow

D. is uniform flow

E. takes place in one dimension

A. atmospheric pressure

B. velocity in pipes

D. pressure in pipes, channels etc.

E. very low pressure

A. delta metal

B. monel metal

D. constantan

E. silicon bronze

B. cohesion pressure is negligible

C. cohesion pressure is decreased

D. none of the above

E. there is no cohesion pressure

A. adding small quantities of copper

B. adding copper and carbon

C. adding carbon up to 6.3%

D. adding carbon up to 2.8%

B. higher

C. same

D. unpredictable

E. lower/higher depending on weight of body

A. is produced by annealing process. It is soft, tough and easily machined metal

B. is produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material

C. contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron

E. none of the above

A. 90:10:00

B. 40 : 60

D. 50:50:00

E. 60:40:00

A. hard

B. malleable

C. tough

D. ductile

B. 50:50:00

C. 40 : 60

D. 70:30:00

E. 60:40:00

A. working at lower temperature

B. grain refinement

C. none of the above

E. purification of metal

A. ferrite and austenite

B. ferrite and iron graphite

D. pearlite and ferrite

E. ferrite and cementite

A. is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material

B. is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable

D. contains l.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron

E. none of the above

A. heat treated to change its properties

B. high in strength

C. hard

D. least resistant to corrosion

A. the direction and magnitude of the velocity at all points are identical

C. the magnitude aricf direction of the velocity do not change from point to point in the fluid

D. the velocity of successive fluid particles, at any point, is the same at successive periods of time

E. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

A. austenite

C. cementlte

D. pearlite

E. bainite

A. unpredictable

B. increases exponentially with elevation

C. decreases linearly with elevation

E. remains constant

B. decreases with fall in temperature

C. is a function of the curvature of the interface

D. is also known as capillarity

E. has no units

A. show unpredictable behaviour

C. first increase and then decrease

D. decrease

E. remain same

A. 2.4 m above the hydraulic gradient

B. 10.0 m above the hydraulic gradient

C. 5.0 above the hydraulic gradient

E. none of the above

A. are equally spaced throughout

B. none of the above

C. first rise up and then fall

E. diverge from right to left

B. water

C. perfect solid

D. fluid

E. gas

B. tubes are laid vertically

C. none of the above

D. forced circulation takes place

E. water passes through the tubes and flue gases around it

A. For petrol and large gas engines, quantity governingds preferred

B. In quantity governing, air fuel ratio is almost constant and quantity of charge is changed depending on load

C. In hit and miss governing, fuel supply is completely cut off during one or more number of cycles

E. For close regulation of speed, combination of both quality and quantity governing is used

A. adhesion

B. viscosity

C. compressibility

D. cohesion

A. length and diameter

C. friction factor and diameter

D. flow and length

E. velocity and diameter

A. kg of fuel fired

B. kg of water evaporated

D. kg of steam produced

E. steam pressure produced

A. energy/unit area

B. distance

D. it has no units

E. none of the above

A. 1 to 1.75 m

B. 1 tp 1.25m

C. 2.25 to 4.5 m

E. 2 to 4 m

B. 31 kg/cm2

C. 1 kg/cm2

D. 5 kg/cm2

E. 10 kg/cm2

A. temperature alone

B. dryness fraction alone

C. pressure and temperature

D. pressure alone

A. is provides suitable meniscus

C. it has low surface tension

D. it is clearly visible

E. it has low vapour pressure

A. horizontal

B. vertical and inclined

D. vertical

E. horizontal and inclined

A. 2-4 m

B. 3-5 m

C. 9-11 m

D. 7-9 m

A. 100 kg/cm2

B. below atmospheric pressure

C. 1 kg/cm2

E. 170 kg/cm2

A. has the same shear stress.at a point regardless of its motion

B. cannot be subjected to shear forces

C. flows

E. always expands until it fills any container

A. atmospheric temperature

B. 500-600C

D. 70O-850C

E. 120O-1500C

A. moisture and ash free heating value

B. fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash

C. fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash

E. various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as per-cents by volume

A. none of the above

B. 0.4

C. 0.5

E. 0.5

A. outside diameter and inside diameter

B. mean diameter and thickness

C. inside diameter and thickness

E. outside diameter alone

A. viscous force and buoyancy force

C. viscous force and inertial force

D. inertial force and gravity

E. pressure force and viscous force

B. 0K

C. 100C

D. 20C.

E. 0C

B. show little or no fusing action

C. burn completely

D. burn freely

E. do not form ash

A. none of the above

B. one

C. two

D. one steam drum and one water drum

B. smooth and streamline flow

C. laminar flow

D. turbulent flow

E. steady flow

A. high velocity

B. weak material

D. high pressure

E. low viscosity

B. cooling the oil in the settling tanks

C. burning the oil

D. filtering

E. suspension

A. change in enthalpy

B. water passes through the tubes and flue gases around it

D. flue gases pass through tubes and water around it

E. none of the above

A. 471 kcal/kg

B. 539 BTU/lb

C. 100 kcal/kg

D. 427 kcal/kg

B. air required to convert CO into C02

C. air required to form an explosive mixture

D. air required for optimum combustion so as to have reasonable excess air

E. air present in atmosphere at NTP conditions