72) The colour used for displaying the prohibition sign is :

red border and cross bar, black symbol and white background

red border and cross bar

black symbol and white background

black symbol

Answer is:

red border and cross bar, black symbol and white background

Foam type extinguisher

Carbon tetra chloride (CTC) extinguisher

Dry powder extinguisher

Halon type extinguisher

Answer is:

The magnitude of voltage is more

The magnitude of current and duration of contact

The magnitude of the body resistance is high

The magnitude of the load current of the circuit

Answer is:

cover the bleeding area with a cloth

apply pressure to the wound to stop bleeding

put a dressing over the wound

send for medical treatment

Answer is:

Explanation:

Applying pressure over the injured portion is the first aid to be given to stop the bleeding of the victim.

Prohibition signs

Mandatory signs

Warning signs

Information signs

Answer is: