Multiple choice Qs - Construction safety

MCQs in Construction Safety

1. CONSTRUCTION SAFETY VIDEO-17

2. Which of the following drive can be used for derrick & winches ? Pole changing squirrel cage motors AC slip-ring motors with variable resistance DC motors with Ward Leonard control Any of the above

3. What lifting technique is best for all situations ? Straight back/bent knees Kinetic lift Free-style None of the above

4. Safe working load of any cranes depends on Boom length Condition of ground Inclination of boom to the vertical All of the above

5. Which type of excavator is used for digging at or below operation level ? Skimmer Dragline Power shovel Dredger

6. The size of the bulldozer is indicated by the dimension of its Blades Tyre Engine Site

7. Factor of safety is the ratio of Yield stress to working stress Tensile stress to working stress Compressive stress to working stress Bearing stress to working stress

8. Every hoist and lift shall be of good mechanical construction, sound material and adequate strength as per which section of the Factories Act 1948 ? Section 29 a Section 28 Section 27 Section 32 a

9. What is the hand signal to raise the bottom of a mobile crane ? Thumb up, clenched fist Index finger up Two hands, pointing towards each other, clenched fists

10. If more than ------------- workers are on a site ensure that emergency action plan is drawn up to handle emergencies. 1000 250 500 700

11. In sheds for ceiling work, which scaffolding is economical ? Suspended Needle Ordinary None of the above

12. The followings is/are generally provided with limit switch to prevent motion beyond preset limit Hoist Conveyors Machine tables All of the above

13. Chimneys are commonly constructed of Steel Bricks Reinforced concrete All of the above

14. What is the primary purpose of conducting a Job Hazard Analysis (JHA) in construction engineering? To assign blame for accidents To identify hazards associated with specific job tasks To increase productivity on-site To reduce the cost of construction materials

15. Which of the following precautions should be taken to prevent heat-related illnesses in construction engineering? Proper hydration and rest breaks Implementation of lockout/tag out procedures Use of personal protective equipment (PPE) Ignoring safety protocols