MCQOPTIONS
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MCQOPTIONS
This section includes 2242 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 601. |
Gravel having well grading is denoted by __________ |
| A. | GW |
| B. | GP |
| C. | SM |
| D. | SW |
| Answer» B. GP | |
| 602. |
If the sensitivity of the soil is greater than 16 then it is __________ |
| A. | Insensitive |
| B. | Little sensitive |
| C. | Highly sensitive |
| D. | Quick |
| Answer» E. | |
| 603. |
The slope of curve obtained between the number of blows and water content in the cassagrande’s method is __________ |
| A. | Toughness index |
| B. | Activity |
| C. | Flow index |
| D. | Liquid limit |
| Answer» D. Liquid limit | |
| 604. |
Coefficient of uniformity is __________ |
| A. | D60 |
| B. | D10 |
| C. | D60/D10 |
| D. | D30 |
| Answer» D. D30 | |
| 605. |
Which type of soil is suitable for the construction of pavement? |
| A. | Black cotton soil |
| B. | Sand |
| C. | Stone dust |
| D. | Gravel |
| Answer» E. | |
| 606. |
Coefficient of permeability is more for __________ |
| A. | Gravel |
| B. | Sand |
| C. | Clay |
| D. | Brick |
| Answer» B. Sand | |
| 607. |
The weight of the hammer in modified proctor test apparatus is __________ |
| A. | 2.8kg |
| B. | 4.7kg |
| C. | 5.0kg |
| D. | 6.0kg |
| Answer» C. 5.0kg | |
| 608. |
The shear strength is more for __________ |
| A. | Cohesive soil |
| B. | Non cohesive soil |
| C. | Frictionless soil |
| D. | Dust |
| Answer» B. Non cohesive soil | |
| 609. |
The liquid limit of the soil is determined by __________ |
| A. | Hydrometer |
| B. | Pyconometer |
| C. | Sand bottle |
| D. | Cassagrandes apparatus |
| Answer» E. | |
| 610. |
The unpaved shoulder usually consists of __________ |
| A. | Gravel |
| B. | Sand |
| C. | Bricks |
| D. | Clay |
| Answer» B. Sand | |
| 611. |
What is the specific gravity of sand? |
| A. | 2.5 |
| B. | 2.6 |
| C. | 2.7 |
| D. | 2.9 |
| Answer» D. 2.9 | |
| 612. |
Which of the following is not used in colloidal conditioning? |
| A. | Kerosene |
| B. | Tannin |
| C. | Agar-agar |
| D. | Vinegar |
| Answer» E. | |
| 613. |
Carbonate conditioning is not done in high pressure boilers because it may lead to caustic embrittlement. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 614. |
Iron oxide and copper depositions can be prevented by adding ___________ to the boiler water. |
| A. | Calgon |
| B. | Carbonate |
| C. | EDTA |
| D. | EBT |
| Answer» D. EBT | |
| 615. |
Calgon conditioning is not applicable for the prevention of ___________ |
| A. | Iron oxide only |
| B. | Copper depositions only |
| C. | Sulphurdioxide only |
| D. | Iron oxide and copper depositions |
| Answer» E. | |
| 616. |
The quantity of calgon to be added to prevent scale and sludge formation is ___________ |
| A. | 10-20 ppm |
| B. | 30-50 ppm |
| C. | 0.005-0.1 ppm |
| D. | 0.5-5 ppm |
| Answer» E. | |
| 617. |
Calgon converts the scale forming impurity like CaSO4 into ___________ |
| A. | Soluble complex compound |
| B. | Insoluble complex compound |
| C. | Soluble acids |
| D. | Insoluble acids |
| Answer» B. Insoluble complex compound | |
| 618. |
Calgon is added to boiler water to prevent ___________ |
| A. | Foaming |
| B. | Sludge and scale formation |
| C. | Priming |
| D. | Corrosion |
| Answer» C. Priming | |
| 619. |
What is Calgon? |
| A. | Potassium hexa meta sulphate |
| B. | Magnesium hexa meta phosphate |
| C. | Sodium hexa meta phosphate |
| D. | Calcium hexa meta sulphate |
| Answer» D. Calcium hexa meta sulphate | |
| 620. |
Which of the following is not a way to minimize the disposal of toxic wastes into the water? |
| A. | To create awareness about the pollution happening on water for people |
| B. | To minimize the use of pesticides and chemicals into the agricultural fields |
| C. | Recycle of plastic materials |
| D. | Encouraging the disposals of electronic waste into the water bodies |
| Answer» E. | |
| 621. |
When did water cess act come into force? |
| A. | 1973 |
| B. | 1975 |
| C. | 1977 |
| D. | 1980 |
| Answer» D. 1980 | |
| 622. |
Why controlled use of water hyacinth is important in controlling of water pollution? |
| A. | To decrease the BOD level |
| B. | To increase the BOD level |
| C. | To completely vanish the BOD level |
| D. | To maintain the BOD level |
| Answer» C. To completely vanish the BOD level | |
| 623. |
How agricultural management helps in the control of water pollution? |
| A. | By giving an idea about the use of land management |
| B. | By increase the water intake |
| C. | By using poor soil which consumes less water |
| D. | By encouraging farmers to use more chemicals |
| Answer» B. By increase the water intake | |
| 624. |
It is dangerous to use magnesium in pneumatic nail guns and simple hand tools. |
| A. | True |
| B. | False |
| Answer» C. | |
| 625. |
An important principle for cutting tools of magnesium alloys is ___________ the friction. |
| A. | transferring |
| B. | scaling |
| C. | limiting |
| D. | increasing |
| Answer» D. increasing | |
| 626. |
Which one of the following is considered to be an ore of magnesium? |
| A. | Bornite |
| B. | Trihydrate |
| C. | Monohydrate |
| D. | Natural brines |
| Answer» E. | |
| 627. |
Deficiency of magnesium in the human body can lead to diabetes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 628. |
Magnesium constitutes around __________ of ocean water in weight. |
| A. | 1.2% |
| B. | 23% |
| C. | 0.125% |
| D. | 7.4% |
| Answer» D. 7.4% | |
| 629. |
Recycling of magnesium requires only _________ of energy required to make the primary substance. |
| A. | 24% |
| B. | 10% |
| C. | 88% |
| D. | 38% |
| Answer» C. 88% | |
| 630. |
___________ is not a magnesium ore. |
| A. | Bauxite |
| B. | Seawater |
| C. | Dolomite |
| D. | Magnesite |
| Answer» B. Seawater | |
| 631. |
The atomic mass of magnesium is ___________ |
| A. | 1/43 u |
| B. | 47.867 u |
| C. | 24.3 u |
| D. | 51.9 u |
| Answer» D. 51.9 u | |
| 632. |
Magnesium alloys are obtainable in the form of __________ |
| A. | permanent mood |
| B. | die castings |
| C. | die castings and permanent mold |
| D. | mud |
| Answer» D. mud | |
| 633. |
Magnesium is convenient to use when ____________ thickness is required. |
| A. | lateral |
| B. | maximum |
| C. | high |
| D. | minimum |
| Answer» E. | |
| 634. |
Thermal stimulation is usually applicable in ____ viscosity oil reservoirs. |
| A. | Low |
| B. | High |
| C. | 10 cp |
| D. | 14 cp |
| Answer» C. 10 cp | |
| 635. |
In an open hole, it may be necessary to deepen or plug back or to cement a liner in an open hole to selectively produce an effective zone. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 636. |
Which of the following is not a method of paraffin control? |
| A. | Steam injection into the annulus |
| B. | Circulating hot oil periodically through the well |
| C. | Wax injection |
| D. | Heating the annulus through the downhole electric heater |
| Answer» D. Heating the annulus through the downhole electric heater | |
| 637. |
Which of the following is incorrect regarding the remedial measures of workover in high viscosity wells? |
| A. | Thermal stimulation |
| B. | Steam stimulation |
| C. | Reaming |
| D. | Caliper log |
| Answer» E. | |
| 638. |
The workover to change zones is usually to squeeze cement and re-perforate in the new zone. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 639. |
Joints are not common and are very easy structures to study in rocks. |
| A. | True |
| B. | False |
| Answer» C. | |
| 640. |
Compression joints usually occur in which part of fault? |
| A. | Crust |
| B. | Mantle |
| C. | Core |
| D. | Margins |
| Answer» D. Margins | |
| 641. |
The joints that are caused due to compressive forces are called as ___________ |
| A. | T joints |
| B. | C joints |
| C. | Longitudinal joints |
| D. | Compression joints |
| Answer» E. | |
| 642. |
The type of joint occurring in igneous rocks during cooling is ___________ |
| A. | Shear joints |
| B. | Tensile joints |
| C. | Compression joints |
| D. | Bend joints |
| Answer» C. Compression joints | |
| 643. |
The joints developed due to tensile forces are ___________ |
| A. | Tensile joints |
| B. | Compressive joints |
| C. | Shear joints |
| D. | No particular name |
| Answer» B. Compressive joints | |
| 644. |
Joints running parallel to hinge lines are called ___________ |
| A. | Hinge joints |
| B. | Radial joints |
| C. | Bedding joints |
| D. | Oblique joints |
| Answer» C. Bedding joints | |
| 645. |
If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.2 (YD)For extract leaving stage N is 0.4 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux? |
| A. | 100 |
| B. | 150 |
| C. | 200 |
| D. | 250 |
| Answer» C. 200 | |
| 646. |
If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.3(YD)For extract leaving stage N is 0.7 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux? |
| A. | 100 |
| B. | 125 |
| C. | 200 |
| D. | 250 |
| Answer» C. 200 | |
| 647. |
If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.4 (YD)For extract leaving stage N is 0.6 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 40 (SD)What is the extract reflux? |
| A. | 100 |
| B. | 150 |
| C. | 200 |
| D. | 250 |
| Answer» B. 150 | |
| 648. |
If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.5 (YD)For extract leaving stage N is 0.7 (YVN)Amount of extract is 200kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux? |
| A. | 100 |
| B. | 150 |
| C. | 200 |
| D. | 300 |
| Answer» E. | |
| 649. |
If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.5 (YD)For extract leaving stage N is 0.7 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux? |
| A. | 100 |
| B. | 150 |
| C. | 200 |
| D. | 250 |
| Answer» C. 200 | |
| 650. |
How a sharp separating point is occurs for solute and carrier in type 2 systems? |
| A. | Extract reflux |
| B. | Extract influx |
| C. | Extract preflux |
| D. | Detract influx |
| Answer» B. Extract influx | |