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This section includes 1292 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
1101. |
Which of the following device is used to measure humidity? |
A. | Hydrometer |
B. | Hygrometer |
C. | Psycho Meter |
D. | Anemometer |
Answer» C. Psycho Meter | |
1102. |
Which of the following devices helps to maintain a potential difference across a conductor? |
A. | Galvanometer |
B. | Ammeter |
C. | Voltmeter |
D. | A cell or battery |
Answer» E. | |
1103. |
Which of the following effects is not produced by current?_x005F_x000D_ |
A. | Chemical effect |
B. | Contraction effect |
C. | Heating effect |
D. | Magnetic effect |
Answer» C. Heating effect | |
1104. |
Which of the following devices converts Chemical energy into Electrical energy? |
A. | Electric heater |
B. | Electric fan |
C. | Hair dryer |
D. | Electric cell |
Answer» E. | |
1105. |
Which of the following does NOT contribute to sparkling of diamonds? |
A. | Total Internal Reflection |
B. | High Refractive Index of Diamonds |
C. | Dispersion |
D. | Low Refractive Index of Diamonds |
Answer» E. | |
1106. |
Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? |
A. | Pyrometer |
B. | Thermocouple |
C. | Thermometer |
D. | Thermistor |
Answer» B. Thermocouple | |
1107. |
Which of the following describes an electric motor? |
A. | Is found in many appliances with moving parts, like a vacuum cleaner or a blender. |
B. | Changes electric energy to mechanical energy. |
C. | Uses the interaction between a spinning coil of wire and magnet. |
D. | Can be powered by a hand crank. |
Answer» C. Uses the interaction between a spinning coil of wire and magnet. | |
1108. |
Which of the following definitions describes a physical hazard? |
A. | The most commonly thought of hazard in construction. This hazard includes radiation, extreme temperatures, noise, and vibration. |
B. | These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks. |
C. | Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job |
D. | Microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness. |
Answer» B. These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks. | |
1109. |
Which of the following changes when a body performs uniform circular motion? |
A. | Mass |
B. | Momentum |
C. | Speed |
D. | Direction |
Answer» E. | |
1110. |
Which of the following causes adiabatic temperature changes in atmosphere? |
A. | Deflection and advection |
B. | Latent heat of condensation |
C. | Expansion and compression of the air |
D. | Partial absorption of solar radiation by the atmosphere |
Answer» D. Partial absorption of solar radiation by the atmosphere | |
1111. |
Which of the following cannot be used for making lenses? |
A. | Plastic |
B. | Soil |
C. | Glass |
D. | Water |
Answer» C. Glass | |
1112. |
Which of the following can neither be created nor be destroyed? |
A. | Velocity |
B. | Power |
C. | Energy |
D. | Momentum |
Answer» D. Momentum | |
1113. |
Which of the following can do more work? |
A. | A rotating wheel |
B. | A moving bullet |
C. | A speeding stone |
D. | A raised hammer |
Answer» C. A speeding stone | |
1114. |
Which of the following are Mechanical waves?_x005F_x000D_ |
A. | X rays |
B. | Radio waves |
C. | Microwaves |
D. | Sound waves |
Answer» E. | |
1115. |
Which object converts electricity to light? |
A. | Solar panels |
B. | Battery |
C. | Bulb |
D. | All the above |
Answer» D. All the above | |
1116. |
Which one of the following is the value of one nanometer? |
A. | 10-7Â cm |
B. | 10-6Â cm |
C. | 10-4Â Â cm |
D. | 10-3Â Â cm |
Answer» B. 10-6Â cm | |
1117. |
Which must be true for metamorphism to occur? |
A. | The grain size must become smaller |
B. | The process must take place underwater |
C. | The parent rock must be in solid form |
D. | The parent rock must be igneous |
Answer» D. The parent rock must be igneous | |
1118. |
Which motion has magnitude of static frictional force directly proportional to normal reaction? |
A. | Impending motion |
B. | Actual motion |
C. | Both 1 and 2 |
D. | None of the above |
Answer» B. Actual motion | |
1119. |
Which mirror is used as rear view mirror in vehicles? |
A. | Concave |
B. | Plane |
C. | Convex |
D. | Any of the above |
Answer» D. Any of the above | |
1120. |
Which metal is the best conductor of heat? |
A. | Silver |
B. | Gold |
C. | Copper |
D. | All of the above |
Answer» E. | |
1121. |
Which microscope is often used to view metal surfaces? |
A. | Optical microscopes |
B. | Scanning tunneling microscopes |
C. | Electron microscopes |
D. | None of the above |
Answer» C. Electron microscopes | |
1122. |
Which measurement describes the pressure of a gas? |
A. | 450 mm Hg |
B. | 315 K |
C. | 251 g/cub.cm |
D. | None of the above |
Answer» B. 315 K | |
1123. |
Which method of expressing direction is indicated in the illustration? |
A. | Section |
B. | Interjuction |
C. | Intersection |
D. | None of the above |
Answer» D. None of the above | |
1124. |
Which measurement depends on gravitational force? |
A. | Mass |
B. | Weight |
C. | Height |
D. | All of the above |
Answer» C. Height | |
1125. |
Which liquid is the most viscous? |
A. | Water |
B. | Diesel |
C. | Milk |
D. | Oil |
Answer» E. | |
1126. |
Which lenses should be used to correct the defect of astigmatism? |
A. | Convex lens |
B. | Bifocal lens |
C. | Concave lens |
D. | Cylindrical lens |
Answer» E. | |
1127. |
Which law relates to the ideal gas law? |
A. | P1T1 = P2T2 |
B. | P1/V1 = P2/V2 |
C. | P1V1 = P2V2 |
D. | T1/V1 = T2/V2 |
Answer» D. T1/V1 = T2/V2 | |
1128. |
Which law is also called law of inertia ? |
A. | Newton first law |
B. | Newton second law |
C. | Newton third law |
D. | All of above |
Answer» B. Newton second law | |
1129. |
Which is the point from where an azimuth originates? |
A. | South |
B. | North |
C. | East |
D. | West |
Answer» C. East | |
1130. |
Which is the form of energy that does NOT occur while riding a bicycle? |
A. | Heat energy |
B. | Kinetic energy |
C. | Chemical energy |
D. | Mechanical energy |
Answer» D. Mechanical energy | |
1131. |
Which is evidence that supports the dynamo theory? |
A. | Earth's outer core contains liquid that conducts electricity |
B. | Earth's core contains a large amount of iron |
C. | Granite and basalt conduct electricity |
D. | Convection occurs in Earth's inner core |
Answer» C. Granite and basalt conduct electricity | |
1132. |
Which is best used as a sound absorbing material in partition walls ? |
A. | Stone chips |
B. | Steel |
C. | Glass - wool |
D. | Glass pieces |
Answer» D. Glass pieces | |
1133. |
Which is an example of Phototropism? |
A. | roots of a plant following water |
B. | plant bending toward the light |
C. | roots growing into the soil |
D. | a venus flytrap capturing a fly |
Answer» C. roots growing into the soil | |
1134. |
Which is a correct way to measure wavelength? |
A. | Nearest peak to peak |
B. | Nearest peak to nearest trough |
C. | Nearest trough to peak |
D. | None of the above |
Answer» B. Nearest peak to nearest trough | |
1135. |
Which is a common first indicator of an approaching thunderstorm? |
A. | too hot |
B. | heavy wind |
C. | a buildup of dark clouds |
D. | lightning |
Answer» D. lightning | |
1136. |
Which instrument measures AF signal level and noise?_x005F_x000D_ |
A. | Vectorscope |
B. | VU meter |
C. | Q meter |
D. | Psophometer |
Answer» E. | |
1137. |
Which instrument is used to measure humidity?_x005F_x000D_ |
A. | Pyrometer |
B. | Hydrometer |
C. | Hygrometer |
D. | Calorimeter |
Answer» D. Calorimeter | |
1138. |
Which has the lowest albedo? |
A. | dark surfaces |
B. | light surfaces |
C. | Both A & B |
D. | None of the above |
Answer» B. light surfaces | |
1139. |
Which instrument is used for measuring humidity of atmosphere? |
A. | Barometer |
B. | Anemometer |
C. | Thermometer |
D. | Hygrometer |
Answer» E. | |
1140. |
Which glass is used to make spectacles? |
A. | Crook's glass |
B. | Potash glass |
C. | Jena glass |
D. | Soda glass |
Answer» B. Potash glass | |
1141. |
Which elements are malleable and good conductors of electricity? |
A. | tin and silver |
B. | iodine and silver |
C. | tin and xenon |
D. | iodine and xenon |
Answer» B. iodine and silver | |
1142. |
Which electromagnetic wave has the highest frequency? |
A. | Gamma Rays |
B. | Radio waves |
C. | X rays |
D. | Microwaves |
Answer» B. Radio waves | |
1143. |
Which device is used to measure the depth of ocean? |
A. | Lexometer |
B. | Nanometer |
C. | Fathometer |
D. | Hydrometer |
Answer» D. Hydrometer | |
1144. |
Which device is used to limit electric current in a circuit?_x005F_x000D_ |
A. | Grid |
B. | Capacitor |
C. | Fuse |
D. | Resistor |
Answer» D. Resistor | |
1145. |
Which determines the frequency of a sound wave? |
A. | Amplitude |
B. | Speed |
C. | Source |
D. | Medium |
Answer» B. Speed | |
1146. |
Which compound is a nonelectrolyte? |
A. | C2H6O |
B. | HCl |
C. | Na2CO3 |
D. | NaCl |
Answer» B. HCl | |
1147. |
Which compressor is usually used in AC? |
A. | Centrifugal |
B. | Rotary |
C. | Reciprocating |
D. | Axial |
Answer» D. Axial | |
1148. |
Which component of an IED creates an electrical charge? |
A. | activator |
B. | fuse |
C. | explosive |
D. | power source |
Answer» E. | |
1149. |
Which Color has the Longest Wavelength? |
A. | Violet |
B. | Yellow |
C. | Red |
D. | White |
Answer» D. White | |
1150. |
Which color has the highest frequency? |
A. | Violet |
B. | Red |
C. | Indigo |
D. | Green |
Answer» B. Red | |