Acless than atmospheric pressure

Be-more than atmospheric pressure

Comore than the liquid vapour pressure

D-less than the liquid vapour pressure

Correct Answer: Option-D
Question8:-Choose the correct values of fanning friction factor f:
Through a galvanized iron pipe (k/D = 0.0005) water flows with a Reynolds number of 100 and through another pipe of same diameter and roughness, water flows with a Reynolds
number of 10". The f values are

80.016 and 0.045

B:-0.016 and 0.0045,

0.045 مة 60.16

D:-0.16 and 45

Correct Answer: Option-D

Question9:-Match the following
॥ ॥

P. Globe valve 1. Unidirectional flow
Q. Gate valve 2. Protect pump from excessive pressure
R. Relief valve 3. Quick open
5S. Check valve 4, Flow control

04,೧3, 62, 5.2
‏مو ,جمھ‎ 2,5,
‏,دو مم‎ ۸3,51
0:೫3, 0-4, 8, 5.2
Correct Answer:-Question Cancelled
‘Question10::Which of the following combination of the flow patter can be observed in an open turbine ?
AcAxial only
B:-Radial only
CeMixed flow
D:-Radial and axial
Correct Answer:- Option-D
Question11:-The terminal settling velocity of a spherical particle in gravitational settling under Stoke's law regime
‘AcNaties linearly with the particle diameter
B:-Varies linearly with the fluid viscosity
C:Varies directly with the square particle diameter
D:Varies inversely with the particle density
Correct Answer:- Option-C
Question12:-Bond's crushing law states that, the work required to form a product of specified size from a very large size feed is proportional to
‘Acssquare root of surface to volume ratio of product
B:-square root of surface to volume ratio of feed
Cesquare of surface to volume ratio of product
D-square of surface to volume ratio of feed
Correct Answer:- Option-é
Question13::Which of the following is most suitable for transportation of sticky material ?
‘AcBelt conveyor
B:-Chain conveyor
೦-5೮೩ conveyor
D-Apron conveyor
Correct Answer:- Option-C

Question14:-Match the following
1 ॥

P. Attrition 1. Gyratory crusher
Q. Attrition and impact 2. Fluid energy mill
R. Compression 3. Blake Jaw crusher

5. Compression and impact 4. Ball mill

५१4, 0-२, ९.1, 5.3