A. Generally a needle valve
B. Used to release any gases that might be vapour locking the pump
C. Helpful in easy removal of samples
D. All A., B. and C.
Correct Answer: D. All A., B. and C. ✔
Last Updated: March 10, 2019
A. Generally a needle valve
B. Used to release any gases that might be vapour locking the pump
C. Helpful in easy removal of samples
D. All A., B. and C.
Correct Answer: D. All A., B. and C. ✔
Last Updated: March 10, 2019