Q. If the specific speed in revolution per minute of a turbine is in between 60 to 300, the type of the turbine is ________________

View solution

Q. A draft tube is essentially required for impulse type turbines.

View solution

Q. Pick the correct choice of turbine required to generate 10,000 HP under a head of 81 m while working at a speed of 500 rpm.

View solution

Q. Consider the following statements.

i. Runoff river plants can be located on any river
ii. Runaway speed of a turbine is generally 180% of normal speed
iii. Underground power stations are suited to areas susceptible to landslides
iv. Higher the specific speed, higher will be the discharge and the head

Which of these statements are correct?

View solution

Q. The Pumps in series operation allow the head to increase and the pumps in parallel operation increase the flow rate.

View solution

Q. Forebay provides temporary storage before the water goes to the turbine. Following perform the function of forebay ____________________

View solution

Q. The surge tank serves which of the following purposes?

i. It allows the sediment to settle down
ii. It prevents debris from entering powerhouse
iii. It controls pressure variations in pipelines
iv. It regulates flow in the pipelines

View solution

Q. Identify the correct statement in regard to hydropower.

View solution

Q. To avoid the possible damage to the wicket gates and turbine runners _________________ is provided.

View solution

Q. In case of long penstocks, ___________________ is generally provided so as to absorb water hammer pressure.

View solution

Q. Sharp bends must be avoided in penstocks while designing components of the hydroelectric scheme.

View solution

Q. The retarding and accelerating heads are developed more promptly in ________________

View solution

Q. The correct sequence in the direction of the flow of water for installations in a hydropower plant is _______________________

View solution