Description : If speed of rotation of the earth increases, the weight of the body – (1) decreases (2) increases (3) remains the same (4) may increase or decrease
Last Answer : (1) decreases Explanation: The weight of a body on the earth is the amount of gravitational pull on it exerted by the earth. Similarly there is another force exerted on a body on earth, that ... under the influence of the centrifugal force and the weight of the body will seem to have decreased.
Description : What happens to atmospheric pressure with increase in altitude ? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates
Last Answer : It decreases
Description : In the speed of rotation of earth decreases, the weight of the body will a.Decrease b.Remain unaltered c.Depends on speed ratio d.Cannot be ascertained on the basis the information given e.Increase
Last Answer : c. Depends on speed ratio
Description : If cream is removed from milk, its density – (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease
Last Answer : (1) Increases Explanation: The density of pure fresh milk being on the average 1.032, while the density of fat globules is about 0.86. It follows that the removal of cream will increase the density, while the addition of water will decrease it.
Description : For a given fluid, as the pipe diameter increases, the pumping cost (A) Decreases (B) Increases (C) Remains the same (D) May increase or decrease, depending upon whether the fluid is Newtonian or non-Newtonian
Last Answer : (A) Decreases
Description : After storage, the strength of cement (A) Decreases (B) Increases (C) Remains same (D) May increase or decrease
Last Answer : Answer: Option A
Description : If cream is removed from milk, its density (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease
Last Answer : Increases
Description : With increase in pump speed, its NPSH requirement (A) Decreases (B) Increases (C) Remains unaltered (D) Can either increase or decrease; depends on other factors
Last Answer : (B) Increases
Description : The disintegration rate of a radioactive element (A) Progressively increases (B) Progressively decreases (C) Remains constant throughout (D) May increase or decrease depending on the material
Last Answer : (B) Progressively decreases
Description : Production rate __________ with increased fineness, with a given energy input to the size reduction machine. (A) Decreases (B) Increases (C) Remains unchanged (D) May increase or decrease; depends on the machine
Description : As the impurities are oxidised, the melting point of iron (A) Decreases (B) Remains unchanged (C) Increases (D) May increase or decrease; unpredictable
Last Answer : (C) Increases
Description : With increase in the concentration of the adsorbate, the integral heat of adsorption (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the type of adsorbate
Last Answer : (B) Decreases
Description : The boiling points of pure components of a binary system __________ with increase in total pressure of the system. (A) Decreases (B) Increases (C) Remains unchanged (D) May increase or decrease, depends on the system
Description : With the increase of temperature, the Col-burn jH factor (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depending on temperature
Last Answer : (A) Increases
Description : Thermal conductivities of most of the liquids __________ with rise in temperature. (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the liquid
Description : With increase in porosity, the thermal conductivity of a solid substance (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the solid
Description : As distance increases, value of gravitational field strength A. also increases B. decreases C. remains constant D. may increase or decrease
Last Answer : decreases
Description : With increase in temperature, the thermal conductivity of fresh lubricating oil (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on its composition
Description : Thermal conductivity of a gas at low density, __________ with increase in temperature. (A) Decreases (B) Increases (C) Remains unchanged (D) May increase or decrease; depends on the gas
Description : With increase in temperature, the internal energy of a substance (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the substance
Description : If we increase the pressure on a substance (which is at its triple point), then the triple point (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the substance
Last Answer : (C) Remains unchanged
Description : At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the gas
Last Answer : C) Remains unchanged
Description : In an isothermal process, the internal energy of gas molecules (a) increases (b) decreases (c) remains constant (d) may increase/decrease depending on the properties of gas (e) shows unpredictable behaviour.
Last Answer : Answer : c
Description : Work input to the air compressor with n as index of compression A. Increases with increase in value of n B. Decrease with increase in value of n C. remains same whatever the value of n D. first increase and then decreases with increase of value of n.
Last Answer : ANSWER : A
Description : The moon is showing its same face to the earth because (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution
Last Answer : Its periods of rotation and revolution are the same
Description : How the interest-level of a country is affected by FDI? (1) increases (2) decreases (3) remains unaffected (4) there is increase or decrease
Last Answer : (2) decreases Explanation: A higher international interest rate will decrease FDI since it means a higher cost of fund in international market, and vice versa. Interest rate is a measure of the cost of capital ... to a decrease in FDI. Interest rate and FDI can both be the cause and effect of other.
Description : With increases in pressure, the conversion of Ammonium carbamate into urea (A) Increases (B) Decreases (C) Remains unaltered (D) Can either increase or decrease depends on biuret content
Description : How the interest-level of a country is affected by FDI ? (1) increases (2) decreases (3) remains unaffected (4) there is increase or decrease
Description : In `beta-` decay `n//p` ratio` :` a)May inrease or decrease b) Remains constant c)Decreases d)Increases
Last Answer : In `beta-` decay `n//p` ratio` :` a)May inrease or decrease b) Remains constant c)Decreases ... B. may increase or decrease C. increases D. decreases
Description : In `alpha-` decay , `n//p` ratio `:` a)May inrease or decrease b) Remains constant c)Decreases d)Increases
Last Answer : In `alpha-` decay , `n//p` ratio `:` a)May inrease or decrease b) Remains constant c) ... off decrease B. remains constant C. decreases D. increases
Description : Atmospheric pressure exerted on earth is due to : (1) rotation of earth (2) revolution of earth (3) gravitational pull (4) uneven heating of earth
Last Answer : gravitational pull
Description : The deflection of the winds to the right in the northern hemisphere is caused by : (1) revolution of the earth (2) rotation of the earth (3) uneven heating of the earth (4) All the above
Last Answer : rotation of the earth
Description : Why the Earth is having its own atmosphere ? (1) Winds (2) Clouds (3) Gravity (4) Rotation of the Earth
Last Answer : Gravity
Description : The earth completes one rotation on its axis in : (1) 23 hrs. 56 min. 4.9 sec (2) 23 hrs. 10 min. 2 sec (3) 23 hrs. 30 min. (4) 24 hrs.
Last Answer : 23 hrs. 56 min. 4.9 sec
Description : Earthquakes are caused by (1) Denudation (2) Tectonism (3) Earth revolution (4) Earth rotation
Last Answer : Tectonism
Description : Equator represents (1) line joining North and South poles (2) imaginary line passing round the Earth midway between North & South poles (3) a belt (ring) around the planet Saturn (4) axis of rotation of Earth
Last Answer : imaginary line passing round the Earth midway between North & South poles
Description : Air resistance ______ with an increase in the speed of the object moving through it. a) increases b)decreases c)remains same d)no change
Last Answer : a) increases
Description : C.V. (kcal/Nm3 ) of gaseous fuels __________ with increase in molecular weight. (A) Decreases (B) Increases (C) Remain constant (D) May increase or decrease, depends on combustibles
Last Answer : (D) May increase or decrease, depends on combustibles
Description : The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. (A) Increases (B) Decreases (C) Remain constant (D) May increase or decrease; depends on the material
Last Answer : (D) May increase or decrease; depends on the material
Description : If speed of rotation of the earth increases, weight of the body will?
Last Answer : decrease.
Description : In β-decay of radioactive material, the ratio of neutron to proton (A) Increases (B) Remain same (C) Decreases (D) Is unpredictable; may increase or decrease
Last Answer : (C) Decreases
Description : With lapse of time, the overhead composition of light component in case of batch distillation with constant reflux (A) Increases (B) Decreases (C) Remain same (D) May increase or decrease; depends on system
Description : With increase in temperature, the thermal conductivity of a gas (A) Increases (B) Decreases (C) Remain same (D) May increase or decrease depending on the type of gas
Description : With increase in C/H ratio of a fuel, the dew point of flue gases (A) Increases (B) Decreases (C) Remain same (D) May increase or decrease; depends on the type of fuel
Description : As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion __________ for the same percentage of excess air. (A) Decreases (B) Increases (C) Remain same (D) May increase or decrease depending on the type of fuel
Description : With increase in the shear rate, the apparent viscosity of pseudo-plastic fluids (A) Increases (B) Decreases (C) Remain same (D) May increase or decrease; depends on the magnitude of shear rate
Description : The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold's number. (A) Increases (B) Decreases (C) Remain same (D) May increase or decrease
Description : As the chemical reaction proceeds, the rate of reaction (A) Increases (B) Decreases (C) Remain same (D) May increase or decrease depending on the type of reaction
Description : After throttling, gas temperature (A) Decreases (B) Increases (C) Remain same (D) May increase or decrease; depends on the nature of