Viscosity of gases __________ with increase in temperature.
(A) Increase very rapidly
(B) Increase slowly
(C) Decrease slowly
(D) Remain unaffected
Description : The dynamic viscosity of gases __________ with rise in temperature. (A) Remain unaffected (B) Increases (C) Decreases (D) None of these
Last Answer : Answer: Option B
Description : Dynamic viscosity of most of the gases with rise in temperature (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable
Last Answer : Answer: Option A
Description : The equilibrium constant of chemical reaction __________ in the presence of catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Can either increase or decrease (depends on the type of catalyst)
Last Answer : (C) Remain unaffected
Description : The dynamic viscosity of the liquid __________ with rise in temperature. (A) Remain unaffected (B) Increases (C) Decreases (D) None of these
Last Answer : Answer: Option C
Description : The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperatureconstant, will (a) increase (b) decrease (c) may increase or decrease depending on the type of refrigerant used (d) remain unaffected
Last Answer : Ans: a
Description : The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will (a) increase (b) decrease (c) remain unaffected (d) may increase or decrease depending on the type of refrigerant used
Description : For the same system, if the same liquid used in an absorber is decreased, the tower height will (A) Increase (B) Decrease (C) Remain unaffected (D) Decrease or increase; depends on the type of liquid
Last Answer : (A) Increase
Description : A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted ... ) Remain unaffected (D) May increase or decrease; depends on the thickness of each layer
Last Answer : Option C
Description : Dynamic viscosity of most of the liquids with rise in temperature (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable
Description : With decrease in temperature, the equilibrium conversion of a reversible endothermic reaction (A) Decreases (B) Increases (C) Remain unaffected (D) Increases linearly with temperature
Last Answer : (A) Decreases
Description : If there were no atmosphere, the length of the day would (a) decrease (b) remain unaffected (c) increase (d) be almost half
Last Answer : Ans:(a)
Description : If the radius of blood vessels of a person decreases his/her blood pressure will (1) increase (2) decrease (3) remain unaffected (4) increase for males and decrease for females
Last Answer : (1) increase Explanation: An obese person has a greatly increased number of blood vessels because of the amount of adipose tissue that must be serviced. As a result, the total length of his or ... words, the smaller the diameter of the vessel, the greater the resistance it offers to blood flow.
Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed
Last Answer : (1) increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius.
Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed
Last Answer : (1) Increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As the inner most layer also increases its radius, the volume inside it i.e, the volume of the hollow portion will also increase.
Description : The rise or depression of liquid in a tube due to surface tension will increase in size of tube will (A) Increase (B) Remain unaffected (C) May increase or decrease depending on the characteristics of liquid (D) Decrease
Last Answer : Answer: Option D
Last Answer : increase
Description : With increase in the temperature, viscosity of a liquid (A) Increases (B) Decreases (C) Remain constant (D) May increase or decrease; depends on the liquid
Last Answer : (B) Decreases
Description : Increase in temperature, in general results in the (A) Decrease in the viscosities of both liquids & gases (B) Increase in the viscosities of both liquids & gases (C) Increase in the viscosity of ... decrease in that of gases (D) Decrease in the viscosity of liquids and increase in that of gases
Last Answer : (D) Decrease in the viscosity of liquids and increase in that of gases
Description : In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will (A) Decrease gradually (B) Increase gradually (C) Increase rapidly (D) Remain constant
Last Answer : (B) Increase gradually
Description : With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable from the data
Last Answer : (A) Increases
Description : With increase in temperature, the rate of extraction in leaching (solidliquid extraction system). (A) Increases (B) Decreases (C) Remain unaffected (D) Increases Linearly
Description : With increase in temperature, the equilibrium conversion of a reversibleexothermic reaction (A) Decreases (B) Increases (C) Remain unaffected (D) Decreases linearly with temperature
Description : The condensing pressure due to the presence of non-condensable gases, as compared to that actually required forcondensing temperatures without non-condensable gases, (a) will be higher (b) will be ... remain unaffected (d) may be higher or lower depending upon the nature of non-condensable gases
Description : Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will (A) Increase (B) Decrease (C) Remain same (D) Data insufficient to predict pressure drop
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 : 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 ... (A) Increase (B) Decrease (C) Remain unchanged (D) Data insufficient to predict relative pressure drop
Last Answer : (B) Decrease
Description : For very great pressures, viscosity of moss gases and liquids (A) Remain same (B) Increases (C) Decreases (D) Shows erratic behaviour
Description : The door of a running refrigerator inside a room was left open. Which of the following statements is correct? (a) The room will be cooled to the temperature inside the refrigerator. (b) The room ... air in room will remain unaffected. (e) any one of above is possible depending on the capacity.
Last Answer : Answer : c
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 reflux ratio in a distillation column is increased from the minimum, the (A) Slope of the operating line in stripping section decreases (B) Number of plates decreases very slowly first ... decreases and then increases (D) Liquid flow increases while the vapor flow decreases for a system
Last Answer : (C) Total cost first decreases and then increases
Description : With increase in steam pressure, its specific volume decreases (A) Rapidly first and then slowly (B) Linearly (C) Slowly first and then rapidly (D) Exponentially
Last Answer : Option A
Description : For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. (A) Increases (B) Decreases (C) Remain same (D) Either (A) or (B); depends on the gas
Description : With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas (A) Increases (B) Decreases (C) Decreases linearly (D) Remain unaffected
Description : With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer (A) Decreases (B) Increases (C) Increases exponentially (D) Remain unaffected
Description : The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable from the data
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 : The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated. (A) Decreases (B) Increases (C) Remain constant (D) May increase or decrease; depends on the chemical characteristics of polluted water
Description : If a learner is 'ready’ when he begins a new task and the first teaching is good, his learning curve will probably rise Options: A) Rapidly with wide fluctuations B) Rapidly with slight fluctuations C) At a moderate but very uniform rate of speed D) Slowly but steadily
Last Answer : B) Rapidly with slight fluctuations
Description : For water, when the pressure increases, the viscosity (A) Also increases (B) Decreases (C) Remain constant (D) First decreases, and then increases
Last Answer : (D) First decreases, and then increases
Description : A man and his wife were slowly driving along when their teenage son, who had just recently received his driver's license, suddenly drove his car up behind them and started to repeatedly smash into the back ... called. What was going on with this family, and why did no one call the police? -Riddles
Last Answer : The man and his wife had taken their two children to an amusement park. The parents were in one bumper car, and their two children were in another bumper car.
Description : Shortly after take-off, the altitude of the aeroplane suffers an abrupt pitch-up and IAS rapidly decreases followed quickly by a decrease in altitude. Engine indications are normal. You should suspect what ... to gain airspeed d. Local clear air turbulence; reduce speed to VRA and ride it out
Last Answer : b. Loss of head wind or an increase in tail wind; apply full power
Description : In the stratosphere, why does temperature increase with increasing height? (a) Conduction. (b) Convection. (c) Greater absorption of ultraviolet radiation at the top of the strato- sphere. (d ... you go up through the strato- sphere, thus the ideal gas law requires temperature to increase too.
Last Answer : Greater absorption of ultraviolet radiation at the top of the strato- sphere.
Description : With increase in temperature, the solubility of gases in liquids, at fixed pressure (A) Increases (B) Decreases (C) Remain same (D) Either (A) or (B), depends on the system
Description : With the increase in speed of the vehicle, the back pressure will a. decrease b. increase c. remains unaffected d. depends on other factors
Last Answer : ANSWER b. increase
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 : In hydrodynamic lubrication, film thickness remains unaffected by change in speeds. a) True b) Increase with increase in speed c) Decrease with increase in speed d) Disappear as the speed tends to infinty
Last Answer : b) Increase with increase in speed
Description : In a disc plough with the increase in the disk angle, the transverse component of reaction will a)Increase b) Decrease c) Unaffected d) None of the above
Last Answer : a)Increase
Description : .Incresase amount of the non grain material on the straw Walker the walker (a) Decrease (b) Increase (c) Unaffected (d) Equal
Last Answer : b) Increase
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 : decreases
Description : . Pick out the wrong statement. (A) The eddy viscosity is a function of the type of turbulence involved (B) The eddy viscosity is a fluid property (C) The viscosity of gas increases with increase in temperature (D) The viscosity of a liquid increases with decrease in temperature
Last Answer : (B) The eddy viscosity is a fluid property