Correct Answer:- Option-é
Questions:-Which of the following valve facilitates close control of fluid flow ?
AcGate valve
B:-Globe valve
CCheck valve
D-Butterfly valve
Correct Answer:- Option ®
Question9: Boiler feed water pump is usually a pump.
‘Ac Reciprocating pump
B:-Gear
C-Multistage centrifugal
D=Diaphragm
Correct Answer:- Option-C

‘Question10:
கார்‌

Correct Answer: Option-C
ಟಟ particles settling under laminar condition are called equally falling particles, ifthey are having
AvSame size
B:-Same specific gravity
CEqual terminal settling velocity in the same fluid and diferent field of force
D:-None of these
Correct Answer: Option-D
Question12:-Choose the most suitable industrial screening equipment for separating fine materials
AcGrizzly
கற்றன
Shaking screen
D:Vibrating screen
Correct Answer: Option-D
Question13::Which among the following sentences are not true regarding size reduction ?
கடுக reduction is an energy inefficient process as the energy required for grinding is very high

B:-Some of the energy liberated in the formation of new small surfaces is the grinding energy required by food material per unit surface area to form new surface areas and the
restis generally just heat

‎crushing efficiency is directly proportional to the surface created‏ كي
‎D-None of the above‏
‎Correct Answer:- Option-D‏
‎Question14:-A material that sinks in water in floatation process are known as‏
1
‎B:-Concentrate‏
‎CeScavengers‏
‎D-None of the above‏
‎Correct Answer:- Option-é‏
‎Question15:-The angle that is tangent to the roll surface at the points of contact between the rolls anf the particle is known as‏
‎‘AcAngle of contact‏
‎B:-Angle of nip‏
‎CeAngle of dip‏

‎D:-Angle of repose