dW Lax dey gz?
‏لے‎

Cede aay yx
‏لے‎

Bw 2x
Bw 22

Correct Answer: Option ®
Question32:-Which of the following isolation valves are used as quarter turn valves ?
(i) Ball valve
(1) Plug valve
(ii) Butterfly valve

Acti) only

Be-(i) and (ii) only

Celli) and (ii) only

0:-0), (1) and (ii)

Correct Answer: Option-D

ಟಟ ಟಟ turbines having identical specie speed and effective head are having speed ratio of = 3, What she ratio of respective power ()?

ಹೂ

2:3

[

०-9

Correct Answer:- Option-é
Question34::Which of the following centrifugal pump impeller geometry gives the maximum efficiency ?

‘AcBackward inclined blades

B:-Radial blades

C=Forward inclined blades

D-All the above

Correct Answer:- Option-é

Question35:-A jet of water having cross sectional area 0.008 पष strikes a flat plate normally with a velocity of 20 m/s. The plate is moving with a velocity of 10 m/s in the direction of jet
away from it. What is the work done by the jet on the plate per second ?

۸--800 10۷5
8:-8000 1015
6-7200 5
ए:-72000 ‏۷۳۷ا‎
‎Correct Answer:- Option ®
Question36:-In which of the following cases a constant bending momentis acting on the beam portion ?
‘Ac Uniformly spaced three point bend beam
B:-A uniformly loaded cantilever beam
C-Uniformly spaced four point bend beam
D-Triangle loaded cantilever beam
Correct Answer:- Option-C
Question37:-A cylindrical pressure vessel of internal diameter 1 m and thickness 5 mm is subjected to an internal pressure of 4 bar. The radial stress in the vessel is
40 MPa
B:-20 MPa
‏می‎ MPa
D:0.4 MPa
Correct Answer:- Option-D
Question38:-A shaft rotating at a speed of 1500 rpms to transmit a power of 3140 watts, the torque acting on the shaft is
५२0४
B:-40 Nm
0:80 Nm

D:-160 Nm