If a body is taken from the earth to the moon, 1. its mass will be different but weight will remain the same 2. both mass and weight will be different 3. its mass will remain the same but weight will be different 4. its density will remain unchanged Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) 3 and 4 (d) 2 and 4

If a body is taken from the earth to the moon, 1. its mass will be different but weight will remain the same 2. both mass and weight will be different 3. its mass will remain the same but weight will be different 4. its density will remain unchanged Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) 3 and 4 (d) 2 and 4
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When a body is taken from earth to moon (1) mass changes but weight remains same (2) weight changes but mass remains same (3) both weight and mass change (4) both weight and mass remain same

Description : When a body is taken from earth to moon (1) mass changes but weight remains same (2) weight changes but mass remains same (3) both weight and mass change (4) both weight and mass remain same

Last Answer : weight changes but mass remains same

When a body is taken from earth to moon – (1) Mass changes but weight remains same (2) Weight changes but mass remains same (3) Both weight and mass change (4) Both weight and mass re-main same

Description : When a body is taken from earth to moon – (1) Mass changes but weight remains same (2) Weight changes but mass remains same (3) Both weight and mass change (4) Both weight and mass re-main same

Last Answer : (2) Weight changes but mass remains same Explanation: Mass is how much stuff we are made of, and it is the same whether we are on Earth, on the moon, on Mercury, or anywhere else one can think of. We are held on Earth by gravity. Gravity pulling on mass is our weight .

Relative to its period on the earth, is the period of a pendulum on the moon: w) shorter x) longer y) remain unchanged

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Last Answer : ANSWER: X -- LONGER

If the spring mass system with m and spring stiffness k is taken to very high altitude, the natural frequency of longitudinal vibrations * 1 point (A) increases (B) decreases (C) remain unchanged (D) may increase or decrease depending upon the value of the mass

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Last Answer : (C) remain unchanged

If the spring mass system with m and spring stiffness k is taken to very high altitude , the natural frequency of longitudinal vibrations A) Increases B) Decreases C) Remain unchanged D) May be increase or decrease depending upon the value of the mass

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Last Answer : C) Remain unchanged

Let WP and WE be the weights of a body at the north pole and at the equator, respectively. If the earth were not rotating then (a) WP would be more (b) WP would remain unchanged (c) WE would remain unchanged (d) WE would be less

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Last Answer : Ans:(b)

The chemical reaction at one time the rate of forward and backward reaction becomes equal that state is called Equilibrium state. In a chemical equilibrium, the following properties remain unchanged with time. Pressure, Temperature, density, color Pressure, Temperature, density, color

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The mass of a body is different from its weight because 1. mass is a variable quantity whereas weight is constant 2. mass varies very little at different places whereas weight varies a lot 3. mass is constant but weight decreases as the body moves from the poles to the equator 4. mass is a measure of the quantity of matter whereas weight is a force Which of the above statements is/are correct? (a) 1 only (b) 2 and 4 (c) 3 only (d) 3 and 4

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The melting points of aldehydes and ketones tend to : (a) decrease with increasing molecular weight. (b) increase with increasing molecular weight. (c) remain unchanged with increasing molecular weight. (d) be unpredictable due to resonance

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The time period of a pendulum when taken to the Moon would: (1) remain the same (2) decrease (3) become zero (4) increase

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The time period of a pendulum when taken to the Moon would: (1) remain the same (2) decrease (3) become zero (4) increase

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Last Answer : increase

When a man circles round the earth in a satellite, then (a) His mass becomes zero but weight remains constant (b) Mass remains constant but weight becomes zero (c) Both mass and weight remain constant (d) Both mass and weight remain zero

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Last Answer : Ans:(b)

In pre-stressed concrete (A) Forces of tension and compression change but lever arm remains unchanged (B) Forces of tension and compressions remain unchanged but lever arm changes with the moment (C) Both forces of tension and compression as well as lever arm change (D) Both forces of tension and compression as well as lever arm remain unchanged

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Select the code which is not correct : An analogical argument is strengthened by (A) increasing the number of entities. (B) increasing the number of similar respects. (C) reducing the claim made earlier stronger. (D) making the conclusion stronger when premises remain unchanged.

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The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will (A) Increase (B) Decrease (C) Remain same (D) Depend on saturated boiling point; may increase or decrease

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Last Answer : (A) Increase

. If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will (A) Increase by 1.8 times (B) Decrease by 2 2 (C) Increase by 2 16 (D) Remain unchanged

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Friction factor for a hydraulically smooth pipe at NRe = 2100 is f1 . If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe , will (A) Increase (B) Decrease (C) Remain unchanged (D) Increase or decrease depending on the pipe material

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Last Answer : (A) Increase

Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will (A) Increase (B) Decrease (C) Remain unchanged (D) Data insufficient to predict relative pressure drop

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The idea that irrespective of how a government chooses to increase spending, either by debt financing or tax financing, the outcome will be the same and demand will remain unchanged, is popularly known as: a) Ricardian theory of equivalence b) Ricardian theory of competitive advantage c) Ricardian theory of stability d) None of the above

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The weight of a body is 1. same everywhere on the surface of the earth 2. maximum at the poles 3. maximum at the equator 4. less on the hills than in the plains Which of the above statements is/are correct? (a) 1 only (b) 2 and 4 (c) 3 and 4 (d) None

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Why does molality of a solution remain unchanged with change in temperature while its molarity changes?

Description : Why does molality of a solution remain unchanged with change in temperature while its molarity changes? 

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Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will (A) Increase (B) Decrease (C) Remain unchanged (D) First fall and then rise

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Last Answer : (A) Increase

An analogical argument is strengthened by (A) making the claim bolder while its premises remain unchanged. (B) reducing the claim made on the basis of the premises affirmed. (C) remaining the claim unchanged while the evidence in its support is found to exhibit greater frailty. (D) None of the above.

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A source produces sound waves under water. Waves travel through water and then into air. Which of the following statements about the frequency (f) and the wavelength () is correct and sound passes from water to air? (1) f remains unchanged but  decreases. (2) f remains unchanged but  increases. (3)  remains unchanged but f decreases. (4)  remains unchanged but f increases.

Description : A source produces sound waves under water. Waves travel through water and then into air. Which of the following statements about the frequency (f) and the wavelength () is correct and sound passes from ... increases. (3)  remains unchanged but f decreases. (4)  remains unchanged but f increases.

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A boat carrying a number of large stones is floating in a water tank. If the stones are unloaded into the water, the level of water in the tank (a) Will remain unchanged (b) Will rise (c) Will fall (d) Will rise till half the number of stones are unloaded and then will begin to fall

Description : A boat carrying a number of large stones is floating in a water tank. If the stones are unloaded into the water, the level of water in the tank (a) Will remain unchanged (b) Will rise (c) Will fall (d) Will rise till half the number of stones are unloaded and then will begin to fall

Last Answer : Ans:(c)

What will happen to the resistance if the electric conductor temperature and cross section remain unchanged ?

Description : What will happen to the resistance if the electric conductor temperature and cross section remain unchanged ?

Last Answer : If the conductive temperature and the cross section remain unchanged, increasing the length will increase the resistance.

A patient on oral anticoagulant therapy is commenced on sulfamethoxazoletrimethoprim, double-strength twice daily. One may expect to see the international normalized ratio (a) Increase (b) Decrease (c) Remain unchanged

Description : A patient on oral anticoagulant therapy is commenced on sulfamethoxazoletrimethoprim, double-strength twice daily. One may expect to see the international normalized ratio (a) Increase (b) Decrease (c) Remain unchanged

Last Answer : Ans: A

Devaluation usually causes the internal prices to : (1) fall (2) rise (3) remain unchanged (4) None of the above

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If the temperature inside a room is increased, the relative humidity will ______? (1) increase (2) decrease (3) remain unchanged (4) none of these

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A non performing Asset in Banking Business means ________ A. A fixed asset of Bank is not been utilized B. A portion of deposits not been utilized C. A loan asset on which interest and/or instalments remain unchanged. D. All of the Above E. None of the Above

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When a lead-acid battery begins gassing freely while receiving a normal charge, the charging current should _____________. A. be increased B. remain unchanged C. be decreased D. shut off

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Last Answer : Answer: C

Which of the following will happen to the alternator frequency if the load is removed from a turbogenerator, whose governor has a 3% speed droop? A. It will remain unchanged. B. It will decrease by approximately 3%. C. It will become variable. D. It will increase.

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Last Answer : Answer: D

In a series circuit, which value will remain unchanged at all places in the circuit? A. Voltage B. Current C. Resistance D. Inductance

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Last Answer : Answer: B

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Last Answer : (B) Increases

At constant pressure, with increase of temperature, the dew point will (A) Increase (B) Decrease (C) Remain unchanged (D) Increase/decrease; depends on the temperature

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Last Answer : (A) Increase

As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages (A) Increase (B) Decrease (C) Remain unchanged

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If generally interest rates in nation increase, a corporate bond with a fixed interest rate will usually A. increase in value B. remain unchanged C. decrease in value. D. be returned to corporation.

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Last Answer : C. decrease in value.

At constant temperature, the thermal conductivities of gases__________ with rise in pressure.(A) Decrease(B) Increase(C) Remain unchanged(D) May increase or decrease; depends on the pressure

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In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will (A) Increase (B) Decrease (C) Remain unchanged (D) Either increase or decrease; depends on the coolant flow rate

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Last Answer : (C) Remain unchanged

With increase in calorific value of fuels, their adiabatic flame temperatures (A) Increase (B) Decrease (C) Remain unchanged (D) May increase or decrease; depends on the quantity of products of combustion

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Last Answer : (D) May increase or decrease; depends on the quantity of products of combustion

An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time. (A) Increase (B) Increase exponentially (C) Decrease (D) Remain unchanged

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Last Answer : (C) Decrease

10. An increase in the money supply will cause interest rates to a. rise b. fall c. remain unchanged

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Last Answer : b. fall

In a Rankine cycle, with the maximum steam temperature being fixed from metallurgical considerations, as the boiler pressure increases (a) The condenser load will increase [IES-1997] (b) The quality of turbine exhaust will decrease (c) The quality of turbine exhaust will increase (d) The quality of turbine exhaust will remain unchanged

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With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will (A) Decrease (B) Increase (C) Remain unchanged (D) Depend upon the characteristics of liquid

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The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will  (a) increase  (b) decrease  (c) remain unchanged  (d) increase/decrease depending on ap-plication  (e) unpredictable. “

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Last Answer : Answer : b

If the load on beam is increased, the tensile stress sin the concrete below the neutral axis will (a) Increase (b) Decrease (c) Remain unchanged (d) None of these

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Which statement best describes the operating principle of a constant-speed propeller? a. As throttle setting is changed by the pilot, the prop governor causes pitch angle of the propeller blades to remain unchanged b. The propeller control regulates the engine RPM and in turn the propeller RPM c. A high blade angle, or increased pitch, reduces the propeller drag and allows more engine power for take-offs d. As the propeller control setting is changed by the pilot, the RPM of the engines remains constant as the pitch angle of the propeller changes

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When all other removable partial denture considerations remain unchanged; clasps constructed of which material can engage the deepest undercut: A. Chrome cobalt casts B. Nickel chrome casts C. Wrought stainless steel (0,5mm) D. Wrought gold

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If consumer’s income increases, the demand for normal product X (a) will remain unchanged (b)will necessarily increase © will necessarily decrease (d) may increase or decrease

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