MCQOPTIONS
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MCQOPTIONS
This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 701. |
The short circuit load losses is/are ______________ |
| A. | direct load loss and stray load losses |
| B. | direct load loss |
| C. | stray load losses |
| D. | field current loss |
| Answer» B. direct load loss | |
| 702. |
What is the value of work done for the following arrangement? If, m1 = Mass of refrigerant passing through the evaporatorm2 = Mass of refrigerant passing through condenserm3 = Mass of vapor refrigerant formed in the flash chamber |
| A. | m1 (h2 – h1) + m2 (h4 – h3) |
| B. | m1 (h2 – h1) + m2 (h5 – h4) |
| C. | (h8 – hf10) / (h9 – hf10) |
| D. | (h1 – hf10) / (h4 – h9)View Answer |
| Answer» C. (h8 – hf10) / (h9 – hf10) | |
| 703. |
What is the ratio of m3 / m2 for the following arrangement? If, m1 = Mass of refrigerant passing through the evaporatorm2 = Mass of refrigerant passing through condenserm3 = Mass of vapor refrigerant formed in the flash chamber |
| A. | (h1 – hf6) / (h2 – h1) – (h4 – h3) |
| B. | (h1 – hf6) / (h2 – h1) + (h4 – h3) |
| C. | (h8 – hf10) / (h9 – hf10) |
| D. | (h1 – hf10) / (h4 – h9)View Answer |
| Answer» D. (h1 – hf10) / (h4 – h9)View Answer | |
| 704. |
What do process 8-9 and 8-10 represent? |
| A. | Expansion |
| B. | Separating the vapor and liquid form of refrigerant |
| C. | Compression |
| D. | Sub-cooling |
| Answer» C. Compression | |
| 705. |
What does process 7-8 and 10-11 represent? |
| A. | Expansion |
| B. | Compression |
| C. | Mixing of refrigerant coming from the flash chamber |
| D. | Sub-cooling |
| Answer» B. Compression | |
| 706. |
What does process 6-7 represent? |
| A. | Evaporation |
| B. | Compression |
| C. | Mixing of refrigerant coming from the flash chamber |
| D. | Sub-cooling |
| Answer» E. | |
| 707. |
What does process 3-4 represent? |
| A. | Evaporation |
| B. | Compression |
| C. | Mixing of refrigerant coming from the flash chamber |
| D. | Condensation |
| Answer» D. Condensation | |
| 708. |
What do PC, PE, and PF represent? |
| A. | Evaporator, expansion and flash chamber pressure |
| B. | Compression, expansion and flash chamber pressure |
| C. | Condenser, evaporator and flash chamber pressure |
| D. | Intercooling pressure |
| Answer» D. Intercooling pressure | |
| 709. |
What does process 2-3 represent? |
| A. | Evaporation |
| B. | Compression |
| C. | Intercooling |
| D. | Condensation |
| Answer» D. Condensation | |
| 710. |
What does process 1-2 and 4-5 represent? |
| A. | Evaporation |
| B. | Compression |
| C. | Condensation |
| D. | Expansion |
| Answer» C. Condensation | |
| 711. |
What is the purpose of using a flash chamber? |
| A. | To increase pressure |
| B. | To decrease pressure |
| C. | To separate vapor and liquid refrigerant |
| D. | To evaporate refrigerant partially |
| Answer» D. To evaporate refrigerant partially | |
| 712. |
What is the purpose of using liquid sub-cooler? |
| A. | To increase the cost of the compressor |
| B. | To reduce the volumetric efficiency |
| C. | To re-heat superheated refrigerant |
| D. | To increase the refrigeration effect |
| Answer» E. | |
| 713. |
What is the purpose of using intercooler? |
| A. | To increase the cost of the compressor |
| B. | To cool the superheated refrigerant |
| C. | To re-heat superheated refrigerant |
| D. | To reduce the volumetric efficiency |
| Answer» C. To re-heat superheated refrigerant | |
| 714. |
Why is multi-stage or compound VCR with water intercooler, liquid sub-cooler, and the flash chamber used? |
| A. | To improve C.O.P. |
| B. | To decrease the refrigeration effect |
| C. | To increase work |
| D. | To increase leakage loss |
| Answer» B. To decrease the refrigeration effect | |
| 715. |
Fibrous fillers have a high capacity for absorbing energy because of their ____________ |
| A. | Shape |
| B. | Size |
| C. | Composition |
| D. | Surface area |
| Answer» B. Size | |
| 716. |
In photo-extinction method, a source of light is directed through a suspension of ____________ |
| A. | Kerosene in cement |
| B. | Cement in kerosene |
| C. | Cement in water |
| D. | Water in cement |
| Answer» C. Cement in water | |
| 717. |
Adsorption method for measurement of total surface area involves the evaluation of quantity of ____________ |
| A. | Helium gas |
| B. | Oxygen gas |
| C. | Nitrogen gas |
| D. | Argon gas |
| Answer» D. Argon gas | |
| 718. |
The current generated in photoelectric cell represents the measure of the ____________ |
| A. | Turbidity |
| B. | Adhesivity |
| C. | Cohesivity |
| D. | Viscosity |
| Answer» B. Adhesivity | |
| 719. |
Sedimentation techniques are particularly useful for the particle size ranging from ____________ |
| A. | 50-10 µm |
| B. | 40-2 µm |
| C. | 100-50 µm |
| D. | 80-40µm |
| Answer» C. 100-50 µm | |
| 720. |
The instrument used for the examination of particle size ≥ 0.5 micron is ____________ |
| A. | Microscope |
| B. | Electron microscope |
| C. | Telescope |
| D. | All of the mentioned |
| Answer» B. Electron microscope | |
| 721. |
The minimum size of particle which can be separated through sieve analysis is ____________ |
| A. | 75 microns |
| B. | 100 microns |
| C. | 44 microns |
| D. | 20 microns |
| Answer» D. 20 microns | |
| 722. |
Which of the following is a method of particle size measurement? |
| A. | Sieve analysis |
| B. | Microscopic examination |
| C. | Sedimentation analysis |
| D. | All of the mentioned |
| Answer» E. | |
| 723. |
Which property of polymer is enhanced by adding antimony oxychloride as an additive? |
| A. | flame retardancy |
| B. | buildup of static electricity |
| C. | colour |
| D. | toughness |
| Answer» B. buildup of static electricity | |
| 724. |
Which of the following additive can act as curing agent for epoxides? |
| A. | amines |
| B. | sulphur |
| C. | formaldehyde |
| D. | all of the mentioned |
| Answer» B. sulphur | |
| 725. |
Which of the following materials work as a polymeric flow promoters? |
| A. | glyceryl stearates |
| B. | calcium stearate |
| C. | stearic acid |
| D. | silicone fluids |
| Answer» B. calcium stearate | |
| 726. |
Which of the following type of fillers are treated with chemicals to improve its attachment with polymers? |
| A. | particulate fillers |
| B. | rubbery fillers |
| C. | mineral fillers |
| D. | fibrous fillers |
| Answer» D. fibrous fillers | |
| 727. |
When both the sources are effective it is called as __________ |
| A. | Double acting pump |
| B. | Single acting pump |
| C. | Triple acting pump |
| D. | Normal pump |
| Answer» B. Single acting pump | |
| 728. |
Reciprocating pump works like a positive displacement pump. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 729. |
In reciprocating pumps, the chamber in which the liquid is trapped is a stationary cylinder that contains piston or cylinder |
| A. | True |
| B. | False |
| Answer» B. False | |
| 730. |
During the suction stroke the _______ moves left thus creating vacuum in the Cylinder. |
| A. | Piston |
| B. | Cylinder |
| C. | Valve |
| D. | Pump |
| Answer» B. Cylinder | |
| 731. |
Reciprocating pump is a type of ___________ |
| A. | Positive displacement pump |
| B. | Bicycle pump |
| C. | Multistage pumps |
| D. | Centrifugal pumps |
| Answer» B. Bicycle pump | |
| 732. |
How many number of valves are required for the rotary pump? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 733. |
Which of the following query will disable the index on Employee table? |
| A. | ALTER INDEX IX_Employee_OrganizationLevel_OrganizationNode EmployeeDISABLE; |
| B. | ALTER INDEX IX_Employee_OrganizationLevel_OrganizationNode ON HumanResourcesDISABLE; |
| C. | CREATE INDEX IX_Employee_OrganizationLevel_OrganizationNode ON HumanResources.EmployeeDISABLE; |
| D. | None of the mentioned |
| Answer» B. ALTER INDEX IX_Employee_OrganizationLevel_OrganizationNode ON HumanResourcesDISABLE; | |
| 734. |
The SORT_IN_TEMPDB option cannot be set for ________ statements. |
| A. | ALTER INDEX |
| B. | DROP INDEX |
| C. | CREATE INDEX |
| D. | All of the mentioned |
| Answer» C. CREATE INDEX | |
| 735. |
Which of the following index operation require additional disk space? |
| A. | UPDATE INDEX |
| B. | DROP INDEX MOVE TO |
| C. | ALTER INDEX ADD CONSTRAINT |
| D. | All of the mentioned |
| Answer» C. ALTER INDEX ADD CONSTRAINT | |
| 736. |
Which of the following index operations require no additional disk space? |
| A. | ALTER INDEX |
| B. | DROP INDEX |
| C. | CREATE INDEX |
| D. | All of the mentioned |
| Answer» E. | |
| 737. |
Which of the following query disables all the indexes on Employee table? |
| A. | ALTER INDEX MUL ON HumanResources.EmployeeDISABLE; |
| B. | ALTER INDEX NEST ON HumanResources.EmployeeDISABLE; |
| C. | ALTER INDEX ALL ON HumanResources.EmployeeENABLE; |
| D. | ALTER INDEX ALL ON HumanResources.EmployeeDISABLE; |
| Answer» E. | |
| 738. |
Which of the following query can enable all indexes on Employee table? |
| A. | DBCC DBREINDEX (“Employee”, ” “); |
| B. | DBCC DBREINDEX (“EMP”, ” “); |
| C. | DBCC DBREINDEX (“HumanResources.Employee”, “ALL”); |
| D. | None of the mentioned |
| Answer» B. DBCC DBREINDEX (“EMP”, ” “); | |
| 739. |
Which of the following query enables the IX_Employee_OrganizationLevel_OrganizationNode index on the Employee table? |
| A. | DBCC DBREINDEX (“Employee”, IX_Employee_OrganizationLevel_OrganizationNode); |
| B. | DBCC REINDEX (“Employee”, IX_Employee_OrganizationLevel_OrganizationNode); |
| C. | DBCC DBINDEX (“Employee”, IX_Employee_OrganizationLevel_OrganizationNode); |
| D. | All of the mentioned |
| E. | ;b) DBCC REINDEX (“Employee”, IX_Employee_OrganizationLevel_OrganizationNode);c) DBCC DBINDEX (“Employee”, IX_Employee_OrganizationLevel_OrganizationNode);d) All of the mentioned |
| Answer» B. DBCC REINDEX (“Employee”, IX_Employee_OrganizationLevel_OrganizationNode); | |
| 740. |
What is the strength of polymer adsorbent? |
| A. | Cheapest hydrophobic adsorbent |
| B. | Only practical adsorbent for adsorption of O2 and N2 |
| C. | Can be regenerated by burning more easily |
| D. | Less prone to fouling |
| Answer» E. | |
| 741. |
What is the strength of carbon molecular sieves? |
| A. | Cheapest hydrophobic adsorbent |
| B. | Only practical adsorbent for adsorption of O2 and N2 |
| C. | Can be regenerated by burning more easily |
| D. | Less prone to fouling |
| Answer» C. Can be regenerated by burning more easily | |
| 742. |
What is activated carbon? |
| A. | Microcrystalline graphite form of carbon |
| B. | Nanocrystalline graphite form of carbon |
| C. | Mircocrystalline non-graphite form of carbon |
| D. | Nanocrystalline non-graphite form of carbon |
| Answer» B. Nanocrystalline graphite form of carbon | |
| 743. |
Which has high output drive? |
| A. | Bipolar |
| B. | CMOS |
| C. | FET |
| D. | pnp |
| Answer» B. CMOS | |
| 744. |
Which device has very high speed? |
| A. | CMOS |
| B. | FET |
| C. | GaAs |
| D. | MESFET |
| Answer» D. MESFET | |
| 745. |
Switching delays of GaAs is in the range of |
| A. | 40-50 |
| B. | 20-30 |
| C. | 100-120 |
| D. | 70-80 |
| Answer» E. | |
| 746. |
Second generation gallium arsenide device are |
| A. | high electron mobility transistor |
| B. | heterojunction bipolar transistor |
| C. | high electron mobility & heterojunction bipolar transistors |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 747. |
______ has high packing density. |
| A. | CMOS |
| B. | bipolar |
| C. | GaAs |
| D. | CMOS and GaAs |
| Answer» E. | |
| 748. |
Which has low power dissipation? |
| A. | CMOS |
| B. | bipolar |
| C. | GaAs |
| D. | NMOS |
| Answer» B. bipolar | |
| 749. |
How many synaptic connection are there in human brain? |
| A. | 1010 |
| B. | 1015 |
| C. | 1020 |
| D. | 105 |
| Answer» C. 1020 | |
| 750. |
Why can’t we design a perfect neural network? |
| A. | full operation is still not known of biological neurons |
| B. | number of neuron is itself not precisely known |
| C. | number of interconnection is very large & is very complex |
| D. | all of the mentioned |
| Answer» E. | |