MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which method of transmission of heat does not require a medium? |
| A. | none of these- |
| B. | convection |
| C. | driving |
| D. | radiation |
| Answer» C. driving | |
| 2. |
The magnetic effect of electric current was first observed in- |
| A. | Stephen Hawking |
| B. | Dr. Joel Angel |
| C. | Dr. Kevin Carmon |
| D. | Graham Bell |
| Answer» C. Dr. Kevin Carmon | |
| 3. |
What is the completeness of a flying wheel measured per second? |
| A. | stroboscope |
| B. | anemometer |
| C. | barometer |
| D. | hygrometer |
| Answer» B. anemometer | |
| 4. |
Carburetor is used for- |
| A. | purify the air |
| B. | mixing air with petrol |
| C. | supplying petrol to the engine |
| D. | purifying petrol |
| Answer» C. supplying petrol to the engine | |
| 5. |
Which one of the following is the value of the force of gravity of the earth curving on a body of mass 1 KG? |
| A. | 98N |
| B. | 9.8N |
| C. | 8.9 N |
| D. | 89N |
| Answer» C. 8.9 N | |
| 6. |
Nobel Prize was started in the name of Alfred Nobel who discovered- |
| A. | of dynamite |
| B. | of telephone |
| C. | of airplane |
| D. | of safety lamp |
| Answer» B. of telephone | |
| 7. |
The temperature of a liquid due to evaporation is |
| A. | none of these |
| B. | will decrease |
| C. | will grow |
| D. | will grow rapidly |
| Answer» C. will grow | |
| 8. |
The function of thermostat in refrigerator is- |
| A. | decrease melting point |
| B. | increase the freezing temperature |
| C. | reduce the temperature |
| D. | maintain the same temperature |
| Answer» E. | |
| 9. |
Which of the following has the lowest liquid density |
| A. | Mercury |
| B. | salty water |
| C. | Clean |
| D. | pantrol |
| Answer» E. | |
| 10. |
Which of the following is the best conductor of heat? |
| A. | Leather |
| B. | Mercury |
| C. | water |
| D. | wood |
| Answer» C. water | |
| 11. |
Joule is the unit of the following |
| A. | Temperature |
| B. | Force |
| C. | energy |
| D. | pressure |
| Answer» D. pressure | |
| 12. |
Seismograph is useful for detecting- |
| A. | landslide |
| B. | Earthquake |
| C. | Volcani |
| D. | tidal waves |
| Answer» C. Volcani | |
| 13. |
force is the product |
| A. | load and acceleration |
| B. | mass and acceleration |
| C. | mass |
| D. | of weight and velocity |
| Answer» C. mass | |
| 14. |
Which of the following equipment is used by physicians? |
| A. | Thermometer |
| B. | stethoscope |
| C. | stroboscope |
| D. | photometer |
| Answer» C. stroboscope | |
| 15. |
The maximum limit in decibels of sound intensity above which a person cannot hear |
| A. | 95DB |
| B. | 70DB |
| C. | 50DB |
| D. | 85DB |
| Answer» B. 70DB | |
| 16. |
is the unit of pressure |
| A. | joule |
| B. | dine |
| C. | pascal |
| D. | erg |
| Answer» D. erg | |
| 17. |
Joule is the unit of the following - |
| A. | Force |
| B. | pressure |
| C. | energy |
| D. | Temperature |
| Answer» D. Temperature | |
| 18. |
Which of the following quantities is not a vector - |
| A. | volume |
| B. | Speed |
| C. | displacement |
| D. | Force |
| Answer» B. Speed | |
| 19. |
The person considered to be the father of computer is- |
| A. | pascal |
| B. | hallrith |
| C. | Babbage |
| D. | Levniz |
| Answer» D. Levniz | |
| 20. |
The instrument used to measure the intensity of sound is |
| A. | audiometer |
| B. | anemometer |
| C. | chronometer |
| D. | audiophone |
| Answer» B. anemometer | |
| 21. |
The SI unit of temperature is - |
| A. | Fahrenheit |
| B. | Celsius |
| C. | Kelvin |
| D. | centigrade |
| Answer» E. | |
| 22. |
In honor of which scientist is the Chandra X-ray telescope named? |
| A. | s. chandrashekhar |
| B. | JC boss |
| C. | C. Venkataman |
| D. | PC Opinion |
| Answer» B. JC boss | |
| 23. |
The inventor of the scooter |
| A. | farmich |
| B. | Daimler |
| C. | Broad Shaw |
| D. | einstein |
| Answer» D. einstein | |
| 24. |
If a person is standing between two plane mirrors which are at 60° angle to infinity, then how many images will he see? |
| A. | 6 |
| B. | 4 |
| C. | 3 |
| D. | 5 |
| Answer» E. | |
| 25. |
The instruments used to measure relative humidity in air are- |
| A. | barograph |
| B. | hydrograph |
| C. | hygrograph |
| D. | Pantograph |
| Answer» D. Pantograph | |
| 26. |
The change of state of matter from solid to liquid is called |
| A. | none of these |
| B. | Evaporation |
| C. | melting |
| D. | Kvtnak |
| Answer» D. Kvtnak | |
| 27. |
The rectifier is used- |
| A. | To convert AC to DC |
| B. | To convert low voltage to high voltage |
| C. | To convert high voltage to low voltage |
| D. | To convert DC to AC |
| Answer» B. To convert low voltage to high voltage | |
| 28. |
What is the purpose of a thermostat? |
| A. | convert heat to electricity |
| B. | raise the temperature |
| C. | measuring temperature |
| D. | maintain the temperature |
| Answer» E. | |
| 29. |
Measures the purity of milk by- |
| A. | lactometer |
| B. | manometer |
| C. | hydrometer |
| D. | Fadometer |
| Answer» B. manometer | |
| 30. |
What is an instrument used to detect and triage sound waves? |
| A. | none of these |
| B. | Sonar |
| C. | Radar |
| D. | Pukar |
| Answer» C. Radar | |
| 31. |
Candela unit is - |
| A. | Intensity of light |
| B. | light effect |
| C. | flame flux |
| D. | light pressure |
| Answer» B. light effect | |
| 32. |
Was the electron discovered? |
| A. | rutherford |
| B. | James Watt |
| C. | thomson |
| D. | galileo |
| Answer» D. galileo | |
| 33. |
Neutron was discovered by- |
| A. | Newton |
| B. | by thomson |
| C. | by rutherford |
| D. | by chadwick |
| Answer» E. | |
| 34. |
Candela is the unit |
| A. | Jury speed |
| B. | light effect |
| C. | Jyothi Flux |
| D. | light pressure |
| Answer» B. light effect | |
| 35. |
Which of the following units is a measure of inertia |
| A. | Burden |
| B. | acceleration |
| C. | Speed |
| D. | Mass |
| Answer» E. | |
| 36. |
How many colors does a rainbow see? |
| A. | 5 |
| B. | 10 |
| C. | 7 |
| D. | 12 |
| Answer» D. 12 | |
| 37. |
The telescope was invented by- |
| A. | by graham bell |
| B. | by gutinberg |
| C. | the Galileans |
| D. | by edison |
| Answer» D. by edison | |
| 38. |
The discoverer of nuclear reactor is- |
| A. | enorico fermi |
| B. | edward jenner |
| C. | William Harvey |
| D. | Michael Faraday |
| Answer» B. edward jenner | |
| 39. |
What is a hygrometer used to measure? |
| A. | the depths of the sea |
| B. | milk purity |
| C. | relative density of matter |
| D. | atmospheric humidity |
| Answer» E. | |
| 40. |
The unit of pressure is - |
| A. | joule |
| B. | dine |
| C. | pascal |
| D. | erg |
| Answer» D. erg | |
| 41. |
The instrument used for recording and reproducing recorded dictation is called- |
| A. | microphone |
| B. | dictaphone |
| C. | audiophone |
| D. | gramophone |
| Answer» C. audiophone | |
| 42. |
Converts chemical energy into electrical energy |
| A. | Battery |
| B. | heater |
| C. | dynamo |
| D. | Motor |
| Answer» B. heater | |
| 43. |
If there is a sudden increase in the temperature of a place, then the relative internal |
| A. | none of these |
| B. | happens |
| C. | is bad |
| D. | remains stable |
| Answer» C. is bad | |
| 44. |
At what distance should a person stand from the base of the actuator to hear his echo? |
| A. | 100फिट |
| B. | 56फिट |
| C. | 224फिट |
| D. | 28फिट |
| Answer» C. 224फिट | |
| 45. |
Which of the following quantities is a measure of inertia? |
| A. | weight (weight) |
| B. | acceleration |
| C. | Speed |
| D. | Mass |
| Answer» E. | |
| 46. |
The weight of one kilogram amount is- |
| A. | 9 न्यूटन |
| B. | 10 न्यूटन |
| C. | one newton |
| D. | 9.8 न्यूटन |
| Answer» E. | |
| 47. |
The inventor of lightning conductor is- |
| A. | einstein |
| B. | lord lister |
| C. | Graham Bell |
| D. | benjamin franklin |
| Answer» E. | |
| 48. |
Who among the following made 'Ballistic Missile'? |
| A. | Samuel Cohen |
| B. | J. Robert Oppenheimer |
| C. | Werner Von Breen |
| D. | edward taylor |
| Answer» D. edward taylor | |
| 49. |
Who was the inventor of Wilhelm Rन्टntgen? |
| A. | electric meter |
| B. | of x-ray machine |
| C. | Of radio |
| D. | light bulb |
| Answer» C. Of radio | |
| 50. |
The inventor of the safety lamp is- |
| A. | roentgen |
| B. | Davy |
| C. | Marconi |
| D. | Shoals |
| Answer» C. Marconi | |