46.
"All information given in the plan and section is correct" is to be certified through a certificate under the requirement of CMR 2017, beside Surveyor who else is also responsible for this?

47.
In order to have determination of percentage of inflammable gas, samples of air are taken from which of the below mentioned places?

49.
All persons employed to operate HEMM shall be trained and their competency shall be examined by a Board, who shall be appointed as Observer of the Board as per statute?