Work Done by Pelton MCQs : This section focuses on the "Work Done by Pelton". These Multiple Choice Questions (MCQs) should be practiced to improve the Work Done by Pelton skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Calculate work done by jet per second on the runner where, discharge=0.7cubic meters/s, inlet and outlet whirl velocities be 23.77 and 2.94?
A. 200Kw
B. 150Kw
C. 187Kw
D. 250Kw
Question 2
In Pelton turbine runner power is more when compared with power available at exit of nozzle.
A. TRUE
B. FALSE
Question 3
In Pelton turbine the energy available at inlet of runner that is at outlet of nozzle is known as
A. Shaft power
B. Runner power
C. Output power
D. Water power
Question 4
In Pelton turbines the expression for power delivered at inlet to runner is given by __________
A. W*[Vw1+Vw2]u/g
B. W*[Vw1-Vw2]u/g
C. W*[Vw1+Vw2]u/g, W*[Vw1-Vw2]u/g
D. [Vw1+Vw2]u/g
Question 5
Kinetic energy of jet at inlet of turbine is given as __________________
A. 0.5(paV1)*V1
B. 0.5(paV1)*V1*V1
C. 0.5(aV1)*V1*V1
D. 0.5(pV1)*V1*V1
Question 6
The expression for water power in Pelton wheel is ________________
A. (P*g*Q*H) Kw
B. (g*Q*H*a) Kw
C. (g*Q) Kw
D. (g*H) Kw
Question 7
The force exerted by a jet of water in the direction of jet of jet on a stationary curved plates Fx is ____________
A. pav*v
B. pav
C. pav*v(1+cos k)
D. pav*v(1+sin k)
Question 8
The force exerted by a jet of water in the direction of jet of jet on moving curved plates is ___________
A. pa(v-u)*(v-u)
B. pa(v-u)
C. pav*(v-u)(1+cos k)
D. pa(v-u)*(v-u)(1+sin k)
Question 9
The power supplied at inlet of turbine in S.I units is known as_____________
A. Shaft power
B. Runner power
C. Water power
D. Total power
Question 10
The work done per unit weight of water jet striking runner blades of Pelton turbine is given by expression ______________
A. [Vw1+Vw2] u/g
B. Vw1*u/g
C. [Vw1+Vw2]/g
D. [Vw1+Vw2]u