1. Which of the following is use to make a branch right angle to the main line in pipe fitting ?

plug

Tee

cross

elbow

Answer: Tee

Explanation:


2. Which are the following is used for connecting two pipes different diameter ?

coupling

tee

caps

reducer

Answer: reducer

Explanation:


3. Which among the following is used to block up the pipe on one end ?

plug

union

tee

cross

Answer: plug

Explanation:


4. Gate valve is used in pipe line to let water flow in ?

one direction

both directions

any direction

none of the above

Answer: one direction

Explanation:


5. Which among the following is used for extending the length in straight line by joining two different diameter pipes ?

socket

union

flange

reducing socket

Answer: reducing socket

Explanation:


6. Which among the following pipes is bent by a bench type hand operated pipe bender ?

conduit pipe

G.I. pipe

lead pipe

copper pipe

Answer: G.I. pipe

Explanation:


7. Which of the following materials is used for manufacturing none-return valve ?

mild steel

aluminium

bronze

lead

Answer: bronze

Explanation:


8. Which among the following method is generally used to cut thread on G.I. pipe ?

by centre lathe

by thread rollers

by tap sets

by die and stock

Answer: by die and stock

Explanation:


9. Which among the following is considered for selection of former of a pipe bender ?

wall thickness of the pipe

inside diameter of the pipe

out side diameter of the pipe

length of the pipe

Answer: out side diameter of the pipe

Explanation:


10. Gate valve permits water flow in ?

at straight line

at any angle

at right angle

none of the above

Answer: at straight line

Explanation: