MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Construction & Building Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
________________ type of drill consists of a long Steel bit which is mechanically lifted up and dropped down to disintegrate the rock. |
| A. | Stop hammer |
| B. | Drop hammer |
| C. | Steam hammer |
| D. | Churn drill |
| Answer» E. | |
| 2. |
_______________ is a Rotary type drill and its abrasive power depends on the bit which is in the form of a section of steel pipe with serrated or a roughened lower end. |
| A. | Shot drill |
| B. | Churn drill |
| C. | Piston drill |
| D. | Tripod drill |
| Answer» B. Churn drill | |
| 3. |
________________ based lubricants do not work well on diamond drill bits. |
| A. | Water |
| B. | Oil |
| C. | Grease |
| D. | Gum |
| Answer» C. Grease | |
| 4. |
_________________ bits are specially used for very hard materials. |
| A. | Churn drill |
| B. | diamond drill |
| C. | Steam hammer |
| D. | Stop hammer |
| Answer» C. Steam hammer | |
| 5. |
_________________ is a rotary drill and it consists of steel pipe stem on the bottom of which is attached to a roller bit. |
| A. | Blasthole |
| B. | Diamond |
| C. | Shot |
| D. | Percussion |
| Answer» B. Diamond | |