Description : The temperature increases rapidly above – (1) Ionosphere (2) Exosphere (3) Stratosphere (4) Troposphere
Last Answer : (2) Exosphere Explanation: Above Troposphere, temperature increases rapidly with height in the Stratosphere layer as it houses the ozone layer which absorbs ultraviolet (UV) rays from the sun. Again ... Exosphere which is the uppermost layer of the atmosphere reaches up to more than 4500° Celsius.
Description : Boiling point elevation of a solution of NaOH (A) Increases rapidly with temperature rise (B) Is almost independent of temperature (C) Is almost independent of pressure (D) Both (B) and (C)
Last Answer : (D) Both (B) and (C)
Description : Boiling point elevation of an ideal solution (A) Increases rapidly with temperature rise (B) Decreases rapidly with temperature rise (C) In independent of pressure (D) Both (B) and (C)
Last Answer : (A) Increases rapidly with temperature rise
Description : What happens to a cell's ratio of surface area to volume as the volume increases more rapidly than its surface area?
Last Answer : The cell's ratio of surface area to volume would decrease if itsvolume increases more rapidly than its surface area.
Description : During hot weather, the fan produces a feeling of comfort. This is because – (1) fan supplies cool air (2) fan cools the air (3) our perspiration evaporates rapidly (4) conductivity of air increases
Last Answer : (3) our perspiration evaporates rapidly Explanation: Fans make the air more comfortable for two reasons: (1) by moving the air, they blow away body heat and evaporate sweat, cooling the body, and (2) they also mix the cooler air near the floor with the warmer air by people's faces.
Description : When testing a capacitor with an analog type ohmmeter, a good capacitor will be indicated when _____________. A. there is no meter deflection B. the meter deflects to a low resistance value and ... deflects to a low resistance value and increases rapidly to a higher value, but stays fairly low
Last Answer : Answer: C
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 : Under conditions of flooding in packed tower, the gas pressure drop (A) Decreases rapidly (B) Increases rapidly (C) Remain constant (D) Is maximum
Last Answer : (D) Is maximum
Description : With regard to dark adaptation: a. is a quicker process than light adaptation b. the sensitivity of the cones increases more rapidly than the rods c. it is monophasic in rod monochromatism d. the first limb of the curve represents rod recovery
Last Answer : it is monophasic in rod monochromatism
Description : If mammalian ovum fails to get fertilised, which one of the following is unlikely? (a) Corpus luteum will disintegrate. (b) Progesterone secretion rapidly declines. (c) Estrogen secretion further increases. (d) Primary follicle starts developing.
Last Answer : (c) Estrogen secretion further increases.
Description : As a tree grows older, which of the following increases more rapidly in thickness? (a) Heart wood (b) Sapwood (c) Phloem (d) Cortex
Last Answer : (a) Heart wood
Description : As the elastic limit reaches, tensile strain (A) Increases more rapidly (B) Decreases more rapidly (C) Increases in proportion to the stress (D) Decreases in proportion to the stress
Last Answer : (A) Increases more rapidly
Description : The consolidation time for soils (A) Increases with increasing compressibility (B) Decreases with increasing permeability (C) Increases rapidly with increasing size of soil mass (D) All the above
Last Answer : Answer: Option D
Description : Pick up the correct statement from the following: (A) Phytoplankton contains photosynthetically active pigment (B) An increase of phytoplankton increases the back scattering in the green region ( ... rapidly (D) An increase of phytoplankton decreases the back scattering in the green region
Description : Which of the following is not true about warfarin, a. INR of 3 is enough to start any extraction. b. Affects extrinsic system and increases prothrombin time. c. Heparin can be given subcutaneously ... rapidly. d. It takes at least 12 hours for Vitamin K to reverse the effects of coumarin.
Last Answer : d. It takes at least 12 hours for Vitamin K to reverse the effects of coumarin.
Description : During hot weather, the fan produces a feeling of comfort. This is because (1) fan supplies cool air (2) fan cools the air (3) our perspiration eva-porates rapidly (4) conductivity of air increases
Last Answer : our perspiration eva-porates rapidly
Description : Keeps the temperature of the surface from changing rapidly?
Last Answer : The atmosphere.
Description : Wet-bulb temperature is: a. The temperature indicated by a thermometer whose bulb covered by a water-wetted wick and exposed to a rapidly moving stream of air b. The same as the dry-bulb ... point temperature d. Always less than the dry-bulb temperature e. Not required to find the relative humidity
Last Answer : Answer: A
Description : Pulsars are : (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
Last Answer : (3) rapidly spinning stars Explanation: Pulsars are celestial objects, thought to be rapidly spinning stars, that emits regular pulses of radiowaves and other electromagnetic radiation at the rate of upto one thousand pulses per second.
Description : Pulsars are – (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
Last Answer : (3) rapidly spinning stars Explanation: The word "pulsar" is a contraction of "pulsating star. A pulsar is formed when a massive star collapses exhausts its supply of fuel. It blasts out ... an object composed primarily of neutrons packed so tightly that they no longer exist as normal matter.
Last Answer : (3) rapidly spinning stars Explanation: Pulsars are celestial objects, thought to be rapidly spinning stars, that emits regular pulses of radio waves and other electromagnetic radiation at the rate of upto one thousand pulses per second.
Description : Viscosity of gases __________ with increase in temperature. (A) Increase very rapidly (B) Increase slowly (C) Decrease slowly (D) Remain unaffected
Last Answer : (B) Increase slowly
Description : Consider the following four conditions (1 - 4) and select a correct pair of them as adaptations to environment in desert lizards. Conditions: 1. Burrowing in soil to escape high temperature. 2. Losing heat rapidly from the body during ... to thick fatty dermis. (a) 3, 4 (b) 1, 3 (c) 2, 4 (d) 1, 2
Last Answer : (b) 1, 3
Description : Which of the following manifestations is often the earliest sign of malignant hyperthermia? a) Tachycardia (heart rate above 150 beats per minute) Tachycardia is often the earliest sign of malignant ... develops rapidly. d) Oliguria Scant urinary output is a later sign of malignant hyperthermia.
Last Answer : a) Tachycardia (heart rate above 150 beats per minute) Tachycardia is often the earliest sign of malignant hyperthermia.
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 : Pulsars are (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
Last Answer : rapidly spinning stars