Description : An ideal gas is maintained at constant temperature. If the pressure on the gas is doubled, the volume is a. increased fourfold b. doubled c. reduced by half d. decreased by a quarter
Last Answer : reduced by half
Description : Percentage of seasonal as well as chronic hunger in India over the years has (a) increased (b) decreased (c) remained constant (d) None of these
Last Answer : (b) decreased
Description : As particle size is reduced (A) Screening becomes progressively more difficult (B) Screening becomes progressively easier (C) Capacity and effectiveness of the screen is increased (D) None of these
Last Answer : (A) Screening becomes progressively more difficult
Description : If the water table rises upto ground surface, then the (A) Effective stress is reduced due to decrease in total stress only but pore water pressure does not change (B) Effective stress is ... D) Total stress is increased due to decrease in pore water pressure but effective stress does not change
Last Answer : (B) Effective stress is reduced due to increase in pore water pressure only but total stress does not change
Description : In non-competitive enzyme action (A) Vmax is increased (B) Apparent km is increased (C) Apparent km is decreased (D) Concentration of active enzyme molecule is reduced
Last Answer : Answer : C
Description : In reversible non-competitive enzyme activity inhibition (A) Vmax is increased (B) Km is increased (C) Km is decreased (D) Concentration of active enzyme is reduced
Last Answer : Answer : D
Description : thresher causes more seed damage if: a speed is increased b clearance increased c speed is decreased d feed rate is reduced
Last Answer : a speed is increased
Description : A compression spring is made of music wire of 2 mm diameter having a shear strength and shear modulus of 800 Mpa and 80 Gpa respectively. The mean coil diameter is 20mm, free length is 40 mm, and the number ... by 8 times b. decreased by 2 times c. increased by 2 times d. decreased by 8 times
Last Answer : a. increased by 8 times
Description : Second order consecutive irreversible reaction as shown in the bellow figure, were carried out in a constant volume isothermal batch reactor with different initial feed compositions. Reactor temperature was same in all the cases. In experiments ... constants (k1 /k2 )? (A) 1/4 (B) 1/2 (C) 2 (D) 4
Last Answer : (A) 1/4
Description : The importance of diffusion in a catalyst are increased by (A) Large catalyst particle size (B) An active surface of the catalyst (C) Small pore diameter (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Flat footed camels can walk easily in sandy deserts because - (1) pressure on the sand is decreased by increasing the area of the surface in contact (2) pressure on the sand is increased by ... in contact (4) pressure on the sand is increased by decreasing the area of the surface in contact
Last Answer : (1) pressure on the sand is decreased by increasing the area of the surface in contact Explanation: Camels have broad, flat, leathery pads with two toes on each foot. When the camel places its foot on ... the animal on loose sand in much the same way that a snowshoe helps a person walk on snow.
Description : Flat footed camels can walk easily in sandy deserts because (1) pressure on the sand is decreased by increasing the area of the surface in contact (2) pressure on the sand is increased by increasing ... in contact (4) pressure on the sand is increased by decreasing the area of the surface in contact
Last Answer : pressure on the sand is decreased by increasing the area of the surface in contact
Description : Fruit stored in a cold chamber exhibit longer storage life because – a. exposure to sunlight is prevented b. the concentration of carbon dioxide in the environment is increased c. the rate of respiration is decreased d. there is increase in humidity
Last Answer : c. the rate of respiration is decreased
Description : An increase in foreign income generally leads to: a) increased exports, increased domestic output b) decreased exports, increased domestic output c) decreased exports, decreased domestic output d) increased exports, decreased domestic output
Last Answer : a) increased exports, increased domestic output Foreign income is brought by exports and leads to further exports in future, and increased exports means increase in domestic output to meet the demand of exports.
Description : According to principle of diminishing marginal rate of substitution a. One commodity must be decreased while other is increased b. Commodity which is increased has higher marginal significance c. Commodity which is decreased ... .Both a and b are correct C.Both a and c are correct D.All are correct
Last Answer : C.Both a and c are correct
Description : If the length of a rectangle is decreased by 3 units and breadth increased by 4 unit, then the area will increase by 9 sq. units. Represent this situation as a linear equation in two variables. -Maths 9th
Last Answer : Solution :-
Description : For absorbing a sparingly soluble gas in a liquid (A) Gas side mass transfer co-efficient should be increased (B) Liquid side mass transfer co-efficient should be increased (C) Liquid side mass transfer co-efficient should be decreased (D) Mass transfer co-efficient must be kept constant
Last Answer : (B) Liquid side mass transfer co-efficient should be increased
Description : Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in (A) Increased COP (B) Same COP (C) Decreased COP (D) Increased or decreased COP; depending upon the type of refrigerant
Last Answer : (A) Increased COP
Description : Spacing of stirrups in a rectangular beam, is (A) Kept constant throughout the length (B) Decreased towards the centre of the beam (C) Increased at the ends (D) Increased at the centre of the beam
Last Answer : Answer: Option D
Description : The efficiency of Diesel cycle approaches to Otto cycle efficiency when A. cut-off is increased B. cut-off is decreased C. cut-off is zero D. cut-off is constant
Last Answer : Answer: C
Description : Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively? (a) Inflammation of bronchioles; Decreased respi- ratory surface (b) ... respiratory surface; Inflammation of bronchioles (d) Decreased respiratory surface; Inflammation of bronchioles
Last Answer : (a) Inflammation of bronchioles; Decreased respi- ratory surface
Description : If the surface of liquid is convex, men (A) Cohesion pressure is negligible (B) Cohesion pressure is decreased (C) Cohesion pressure is increased (D) There is no cohesion pressure
Last Answer : Answer: Option C
Description : Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively ? (1) Inflammation of bronchioles; Decreased respiratory surface (2) ... respiratory surface; Inflammation of bronchioles (4) Decreased respiratory surface; Inflammation of bronchioles
Last Answer : (1) Inflammation of bronchioles; Decreased respiratory surface
Description : Coulter counter is used in determination of (A) particle surface area (B) particle size (C) particle volume (D)all of A, B, C
Last Answer : (D)all of A, B, C
Description : The relative cost of a product’s material cost increases as: a. size is increased. b. performance is decreased. c. MTBF is raised. d. automation stays the same. e. all of the above.
Last Answer : c. MTBF is raised.
Description : Which of the following statements about total body water composition are correct? A. Females and obese persons have an increased percentage of body water. B. Increased muscle mass is associated with ... age. E. Any person's percentage of body water is subject to wide physiologic variation.
Last Answer : Answer: CD DISCUSSION: Since fat contains little water, lean persons with a proportionately greater muscle mass have a greater than expected volume of total body water. Likewise, the ... decreases steadily and significantly with age. The actual figure for a healthy person is remarkably constant
Description : Six months after beginning atorvastatin, the patient's total and LDL cholesterol concentrations remained above normal and he continued to have anginal attacks despite good adherence to his antianginal ... Increased endocytosis of HDL by the liver (e) Increased lipid hydrolysis by lipoprotein lipase
Last Answer : Ans: C
Description : An asset was purchased for Rs.1000000 with the down payment of Rs.200000 and bills accepted for Rs.800000/-What would be the effect on the total asset and total liabilities in the ... and liabilities increased by Rs.800000 D] Assets increased by Rs.800000 and liabilities increased by Rs.800000
Last Answer : D] Assets increased by Rs.800000 and liabilities increased by Rs.800000
Description : After a chemical reaction, the total mass of reactants and products [MP PMT 1989] (A) Is always increased (B) Is always decreased (C) Is not changed (D) Is always less or more
Last Answer : (C) Is not changed
Description : In wind erosion floating of less than 0.1 mm soil particle is observed in — stage a. Saltation b. Surface creep c. Suspension d. None of these
Last Answer : c. Suspension
Description : Which of the following is the most significant factor regarding filler in composite for increased strength: A. Particle size 1-3 micron B. Sub micron sized particles C. High concentration of the filler particles
Last Answer : C. High concentration of the filler particles
Description : If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is φs is defined by (A) φs = 6 Vp /dpsp (B) φs = Vp /dpsp (C) φs = 6 dpSp /Vp (D) φs = dpSp /Vp
Last Answer : (A) φs = 6 Vp /dpsp
Description : For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the (A) Catalyst size is reduced or the ... the catalyst diffusivity is reduced (D) Catalyst size is increased or the catalyst diffusivity is increased
Last Answer : (B) Catalyst size is reduced or the catalyst diffusivity is increased
Description : The number of revolutions through which a pulley will rotate from rest if its angular acceleration is increased uniformly from zero to 12 rad per sec2 during 4 sec and then uniformly decreased to 0 rad per sec2 during the next 3 sec would be a.46.4 b.26.74 c.11.6 d.3.2 e.17.7
Last Answer : b. 26.74
Description : If the length of a simple pendulum is halved then its period of oscillation is - (1) doubled (2) halved (3) increased by a factor √ 2 (4) decreased by a factor √ 2
Last Answer : (4) decreased by a factor √ 2
Description : In the neurones: a. the axons convey impulse away from the cell body b. neurotransmitters are synthesized in the cell bodies and then transported to the axons c. the condition ... with fibre diameter d. the excitability is increased if the extracellular calcium concentration is decreased
Last Answer : the axons convey impulse away from the cell body
Description : For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust (A) Is increased (B) Is decreased (C) Remains unchanged (D) Becomes zero
Last Answer : (B) Is decreased
Description : For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust (A) Is increased (B) Is decreased (C) Remains unchanged (D) Becomes zero
Last Answer : (C) Remains unchanged
Description : If the length of a simple pendulum is halved then its period of oscillation is (1) doubled (2) halved (3) increased by a factor root 2 (4) decreased by a factor root 2
Last Answer : decreased by a factor root 2
Description : A number is increased by 70 % and then decreased by 70 %. Find the net increase or decrease per cent. a) 25 b) 56 c) 45 c) 49 e) 98
Last Answer : Answer: D Let the number be 100. Increase in the number = 70 % = 40 % of 100 = (40/100 100) = 70 Therefore, increased number = 100 + 70 = 170 This number is decreased by 70 % Therefore, decrease ... = 100 - 51 = 49 Hence, net percentage decrease = (49/100 100) = (4900/100) = 49 %
Description : In resources levelling (A) Total duration of project is reduced (B) Total duration of project is increased (C) Uniform demand of resources is achieved (D) Cost of project is controlled
Last Answer : C
Description : Pick out the wrong statement (A) A horizontal line on the humidity chart indicates the temperature changes at constant molal humidity (B) When water is cooled from 80 to 70°C by exposure ... & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure
Last Answer : (D) Relative saturation of unsaturated mixture of water vapor & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure
Description : )A very high rise in National Income at current market prices and a low rise at constant prices reveals - (1) the high rate of growth in the economy at the current period (2) the increased ... period (3) the improper growth of the economy (4) the high rate of inflation prevailing in the economy
Last Answer : (3) the improper growth of the economy Explanation: When national output is multiplied by present ruling price, we obtain national income at current prices. On the other hand if the national output is ... not indicate increase in product or output, but is rather due to the rise in price level.
Description : A very high rise in National Income at current market prices and a low rise at constant prices reveals (1) the high rate of growth in the economy at the current period (2) the increased production ... (3) the improper growth of the economy (4) the high rate of inflation prevailing in the economy
Last Answer : the high rate of inflation prevailing in the economy
Description : Mountains account for ____________ percent of the total surface area of the country? (a) 17% (b) 27% (c) 30% (d) 43%
Last Answer : (c) 30%
Description : Pick out the wrong statement. (A) Cumulative analysis for determining surface area is preferred over differential analysis, because of the assumption that "all particles in a simple fraction equal in size" is ... throwing of the balls through the air to the toe of the heap is called 'cataracting'
Last Answer : (C) Capacity of crusher in choke feeding is increased
Description : The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream (A) Keeps on increasing (B) Keeps on decreasing (C) Remain constant (D) May increase/decrease
Description : Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of ... that lost by the other z) the total kinetic energy before and after the collision remains constant
Last Answer : ANSWER: Z -- THE TOTAL KINETIC ENERGY BEFORE AND AFTER THE COLLISION RE
Description : Reduced voltage applied to a motor during the starting period will _____________. A. result in decreased acceleration time only B. lower the starting current and increase accelerating time C. cause a greater starting torque D. increase the starting current and pump capacity
Last Answer : Answer: B