MCQOPTIONS
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MCQOPTIONS
This section includes 634 Mcqs, each offering curated multiple-choice questions to sharpen your Boolean Algebra and Logic Simplification knowledge and support exam preparation. Choose a topic below to get started.
| 601. |
If current and potential difference are directly related then object follows |
| A. | Faraday's law |
| B. | Ohm's law |
| C. | Kirchhoff's law |
| D. | Ampere's law |
| Answer» C. Kirchhoff's law | |
| 602. |
The spring constant of the spring is also called |
| A. | tensile forces |
| B. | gradient |
| C. | compression |
| D. | stiffness |
| Answer» E. | |
| 603. |
The specific heat capacity of salty (sea) water is |
| A. | 2900 J kg-1 °C-1 |
| B. | 1900 J kg-1 °C-1 |
| C. | 4900 J kg-1 °C-1 |
| D. | 3900 J kg-1 °C-1 |
| Answer» E. | |
| 604. |
A pendulum bob moves at a speed of 2 m s-1 and mass of 0.5 kg, its Ek would be |
| A. | 0.25 J |
| B. | 1 J |
| C. | 2 J |
| D. | 0.5 J |
| Answer» C. 2 J | |
| 605. |
The return of the blood which is pumped through left ventricle, and bring back through vena cava |
| A. | is called as systemic circulation |
| B. | travels to lungs except all parts of body |
| C. | is uncommon in mammals |
| D. | is called as pulmonary circulation |
| Answer» B. travels to lungs except all parts of body | |
| 606. |
The horizontal distance travelled by a ball if it's thrown with initial velocity of 20 ms-1 at an angle of 30° is |
| A. | 56 m |
| B. | 24 m |
| C. | 36.3 m |
| D. | 35.3 m |
| Answer» E. | |
| 607. |
The energy of an electron in an atom is |
| A. | continuous |
| B. | quantized |
| C. | randomized |
| D. | radial |
| Answer» C. randomized | |
| 608. |
Wooden ladles are used to stir or scoop hot soup because of its |
| A. | good conduction of electricity |
| B. | good conduction of heat |
| C. | good insulation of heat |
| D. | good insulation of electricity |
| Answer» D. good insulation of electricity | |
| 609. |
Plank's constant has units |
| A. | s |
| B. | J |
| C. | Js |
| D. | J⁄s |
| Answer» D. J⁄s | |
| 610. |
Factors affecting the speed of reaction include |
| A. | change in mass |
| B. | volume of gas |
| C. | temperature change |
| D. | pressure |
| Answer» E. | |
| 611. |
The valency of Carbon is |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» D. 3 | |
| 612. |
When a meter rule is not pivoted at 50 cm, its weight |
| A. | will be zero |
| B. | won't cause a turning effect |
| C. | will cause a turning effect |
| D. | won't have magnitude |
| Answer» D. won't have magnitude | |
| 613. |
Which one of these thermometers is portable as well as simple to use? |
| A. | Resistance thermometer |
| B. | Constant-volume gas thermometer |
| C. | Mercury-in-glass thermometer |
| D. | Thermocouple |
| Answer» D. Thermocouple | |
| 614. |
The elements of group II are |
| A. | non-metals |
| B. | metals |
| C. | noble gases |
| D. | alkalis |
| Answer» C. noble gases | |
| 615. |
pH values has a range of |
| A. | 0 to 10 |
| B. | 1 to 7 |
| C. | 0 to 14 |
| D. | 1 to 14 |
| Answer» D. 1 to 14 | |
| 616. |
The energy of the molecules of any substance is known as |
| A. | potential energy |
| B. | kinetic energy |
| C. | chemical energy |
| D. | internal energy |
| Answer» E. | |
| 617. |
In a mercury thermometer, it is assumed that the length of the liquid 'l' and the temperature '?' are |
| A. | inversely proportional to each other |
| B. | directly proportional to each other |
| C. | independent of each other |
| D. | weakly dependent on each other |
| Answer» C. independent of each other | |
| 618. |
Liquids have |
| A. | Variable shape and volume |
| B. | Fixed shape and volume |
| C. | Fixed shape but variable volume |
| D. | Variable shape but fixed volume |
| Answer» E. | |
| 619. |
The bend of light rays or image in denser medium is termed as |
| A. | Opacation |
| B. | Reflection |
| C. | Transpiration |
| D. | Refraction |
| Answer» E. | |
| 620. |
The vehicle will accelerate as long as |
| A. | air resistance is greater than inertia |
| B. | air resistance is greater than thrust |
| C. | friction is greater than thrust |
| D. | thrust is greater than air resistance and friction |
| Answer» E. | |
| 621. |
Hot magnesium reacts with water to yield |
| A. | hydrogen |
| B. | magnesium oxide |
| C. | oxygen |
| D. | both a and b |
| Answer» E. | |
| 622. |
After accepting electrons, Manganate Mn(VII) ion becomes oxidized to |
| A. | Mn (V) |
| B. | Mn (VI) ions |
| C. | Mn(II) ions |
| D. | Mn(III) ions |
| Answer» D. Mn(III) ions | |
| 623. |
When an object is tilted slightly and it topples over, the state is termed |
| A. | Stable equilibrium |
| B. | Unstable equilibrium |
| C. | Stability |
| D. | Neutral equilibrium |
| Answer» C. Stability | |
| 624. |
The formula of carbonic acid is |
| A. | HCHO3 |
| B. | HCO2 |
| C. | H2CO3 |
| D. | H2CO2 |
| Answer» D. H2CO2 | |
| 625. |
Phenol itself is |
| A. | caustic |
| B. | toxic |
| C. | harmless |
| D. | both a and b |
| Answer» E. | |
| 626. |
Neutrinos have electric charge of |
| A. | 1 |
| B. | zero |
| C. | 3 |
| D. | 2 |
| Answer» C. 3 | |
| 627. |
Gases do not obey ideal gas equation at |
| A. | high pressure |
| B. | low temperature |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 628. |
The oxidation of primary alcohols give |
| A. | ketones |
| B. | aldehydes |
| C. | alcohols |
| D. | both a and b |
| Answer» C. alcohols | |
| 629. |
The process of electrolysis is carried out in an |
| A. | spectrometer |
| B. | electrolytic cell |
| C. | none |
| D. | calorimeter |
| Answer» C. none | |
| 630. |
A wooden trolley of mass 20 kg accelerates at 2 m⁄s2, if the force due to engine is 50 N, the friction force is equal to |
| A. | 10N |
| B. | 1 N |
| C. | None of the above |
| D. | -10 N |
| Answer» B. 1 N | |
| 631. |
What is the major advantage of the R /2 R ladder D/A converter as compared to a binary-weighted D/A converter? |
| A. | It has fewer parts for the same number of inputs. |
| B. | It is much easier to analyze its operation. |
| C. | It uses only two different resistor values. |
| D. | The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot. |
| Answer» D. The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot. | |
| 632. |
An analog quantity varies from 0–7 V and is input to a 6-bit A/D converter. What analog value is represented by each step on the digital output? |
| A. | 0.111 V |
| B. | 1.17 V |
| C. | 0.109 V |
| D. | 0.857 V |
| Answer» B. 1.17 V | |
| 633. |
What is the major advantage of the R /2 R ladder DAC as compared to a binary-weighted-input DAC? |
| A. | It has fewer parts for the same number of inputs. |
| B. | It is much easier to analyze its operation. |
| C. | It uses only two different resistor values. |
| D. | The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot. |
| Answer» D. The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot. | |
| 634. |
A 4-bit R /2 R D/A converter has a reference of 5 V. What is the analog output for the input code 0101? |
| A. | 3.125 V |
| B. | 0.3125 V |
| C. | 0.78125 V |
| D. | –3.125 V |
| Answer» E. | |