TEST 8

Question 1

1. Caulking ferrules are generally used as a connection between:

A. Lead pipes and cast iron pipe.
B. cast iron and brass pipe.
C. Brass pipe and copper tube.
D. Cast iron and vitrified clay pipe.

Answer 1

A. Lead pipes and cast iron pipe

Question 2

2. The type of thread that is used on standard brass pipe (IPS) is known as the :

A. ASME B 1.20.1.
B. Briggs standard.
C. American standard pipe thread form.
D. A, B & C.

Answer 2

D. A, B & C.

Question 3

3. Which one of the following statements is not correct:

A. Pipe threads shall be, American (national) standard pipe thread form.
B. All burrs shall be removed from pipe and fittings before installation.
C. Pipe joint compound or tape shall be applied only on male threads.
D. The number of threads per inch on a 2 inch pipe is 11-1/4.

Answer 3

D. The number of threads per inch on a 2 inch pipe is 11-1/4.

Question 4

4. One approved method of joining cast-iron piping is by caulking, another approved method:

A. Compression gasket joints.
B. flexible joints.
C. Hot poured joints.
D. Cement joints

Answer 4

A. Compression gasket joints

Question 5

5. Of the following statements the one which is correct is that the number of threads per inch on a pipe:

A. Increases as the diameter of the pipe increases.
B. decreases as the diameter of the pipe increases.
C. Remains constant of all diameters of pipe.
D. Depends upon the total of thread cut on the pipe.

Answer 5

B. decreases as the diameter of the pipe increases.

Question 6

6. Joints in cast-iron pipe to galvanized steel or brass pipe shall be made by:

A. Caulked.
B. Threaded.
C. With an approved adapter fitting.
D. A, B & C.

Answer 6

D. A, B & C.

Question 7

7. Threaded joints shall conform to ASME B1.20 pipe-joint compound or tape shall be applied on the:

A. Male treads only.
B. Male treads sometimes.
C. Female threads.
D. B &C.

Answer 7

A. Male treads only.

Question 8

8. The correct procedure in “making up” a threaded pipe joint would be to screw the pipe into the fitting:

A. Until two threads are left exposed on the pipe.
B. a distance equal to the diameter of the pipe.
C. Until no threads are showing on the pipe.
D. A distance equal to twice the length of the fitting thread.

Answer 8

A. Until two threads are left exposed on the pipe.