Description : The curing method is said to be good, when the relative humidity is kept [ A ] Greater than 80% [ B ] Less than 50% [ C ] 50% - 80% [ D ] None of the above
Last Answer : [ A ] Greater than 80%
Description : Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the ... cm 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity
Last Answer : Answer: Option A
Description : At 28 days of curing concrete attains a strength of [ A ] 20 to 25% [ B ] 60 to 70% [ C ] 65 to 80% [ D ] 90 to 95%
Last Answer : [ D ] 90 to 95%
Description : What is the relative humidity for a saturated air? A. 0% B. 50% C. 100% D. cannot say
Last Answer : ANSWER : C
Description : When the rate of evaporation of water is zero, the relative humidity of the air is A. 0% B. 100% C. 50% D. unpredictable
Last Answer : ANSWER : B
Description : When the dew point temperature is equal to the air temperature then the relative humidity is A. 0% B. 50% C. 100% D. unpredictable
Description : Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a (A) Higher dew point (B) Higher absolute (specific) humidity (C) Higher relative humidity (D) Higher wet bulb temperature
Last Answer : (C) Higher relative humidity
Description : If atmospheric temperature and dew point are nearly equal, then the relative humidity is (A) Zero (B) 50% (C) Almost 100% (D) unpredictable
Last Answer : (C) Almost 100%
Description : Which of the following statements describes the significance of ambient temperature in relation to the service life of electronic components? A. Ambient temperature should be as high as possible to drive ... is kept low. D. A reduced ambient temperature causes a corresponding reduced service life.
Last Answer : Answer: B
Description : Let's say you experience chronic pain and headaches. Let's also say you have the oportunity to undergo a surgical procedure that has an 80% success rate at curing that pain and headache, but is still considered "experimental." Would you have the procedure done?
Last Answer : please tell me about this procedure.
Description : Which of the following statement(s) is/are true concerning O2 venous saturation monitoring? a. The normal saturation of mixed venous blood is 50% b. Mixed venous blood obtained ... than fully saturated blood, the difference between arterial and venous saturation corresponds to oxygen extraction
Last Answer : Answer: c, d The relationship between oxygen delivery and oxygen consumption is reflected in the amount of oxygen in venous blood. Under normal circumstances, oxygen delivery is 1000 ... and venous saturation corresponds to the oxygen extraction, hence the oxygen delivery/oxygen consumption ratio
Description : Of the total incident solar radiation the proportion of PAR is (a) about 70% (b) about 60% (c) less than 50% (d) more than 80%.
Last Answer : (c) less than 50%
Description : The usual percentages of clay and metal in cermet are: (A) 50%, 50% (B) 60%, 40% (C) 70%, 30% (D) 80%, 20%
Last Answer : Answer: Option D
Description : In Portland Blast furnace slag cement, the blast furnace slag content shall not exceed [ A ] 50% [ B ] 65% [ C ] 80% [ D ] 90%
Last Answer : [ B ] 65%
Description : Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C ... D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates
Last Answer : Option D
Description : When dew point la reached it is said that at that temperature (a) the atmosphere is said to be saturated with water vapour (b) the relative humidity of the atmosphere is 100% (c) the atmosphere can hold no more water vapour (d) All the above
Last Answer : Ans: (a)
Description : More than farmers depend upon animal drawn implements. A) 50% B) 60% C) 45% D) 80%
Last Answer : 80%
Description : Describe a method of determining relative humidity ?
Last Answer : Relative humidity = a certain amount of water vapor in the air * 100.
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 : Dry-bulb temperature is: a. The absolute temperature corresponding to the atmospheric pressure b. The same as the wet-bulb temperature if the relative humidity is less than 100% c. Not required ... d. The temperature of the air measured with an ordinary thermometer e. The dew point temperature
Last Answer : Answer: D
Description : The percentage humidity is less than the relative humidity only at __________ percent humidity. (A) Zero (B) Hundred (C) Both zero and hundred (D) None of these
Last Answer : (C) Both zero and hundred
Description : At 100% relative humidity, the dew point temperature of moist air is (A) Less than the wet bulb temperature (B) More than the wet bulb temperature (C) Equal to the wet bulb temperature (D) Equal to the ambient temperature
Last Answer : (B) More than the wet bulb temperature
Description : The dew point of moist air becomes __________ with decrease in its relative humidity. (A) Less than the wet bulb temperature (B) More than the wet bulb temperature (C) More than the dry bulb temperature (D) Equal to wet bulb temperature
Last Answer : Option A
Description : Curing of pavements, floors, roofs and slabs, is done by (A) Membrane method (B) Ponding method (C) Covering surface with bags (D) Sprinkling water method
Last Answer : Answer: Option B
Description : Approximately what percentage of world's cattle population is to be found in India? (a) 50% (b) 18% (c) 80% (d) 7%
Last Answer : Ans: (b)
Description : Contribution of albumin to colloid osmotic pressure of plasma is about (A) 10% (B) 50% (C) 80% (D) 90%
Last Answer : Answer : C
Description : Of the total body water, intracellular compartment contains about (A) 50% (B) 60% (C) 70% (D) 80%
Description : The total RNA in cell tRNA constitutes (A) 1–10% (B) 10–20% (C) 30–50% (D) 50–80%
Last Answer : Answer : B
Description : The starch content of pulses is about (A) 50% (B) 60% (C) 70% (D) 80%
Description : The starch content of wheat is about (A) 50% (B) 60% (C) 70% (D) 80%
Description : The percentage of India's total population employed in agriculture is nearly (1) 60% (2) 50% (3) 70% (4) 80%
Last Answer : (1) 60% Explanation: As per the Economic Survey 2013-14, agriculture accounts for about 54.6 percent of total employment (Census 2011) in India. However, it contributed only 13.9 percent to India's GDP in 2013-14 (provisional estimates) and 15.2 percent during the Eleventh Plan.
Description : An autotransformer is equipped with a 50% tap, a 65% tap, and an 80% tap. Which of the following statements is true concerning a load connected to the 50% tap? A. The load is ... is receiving maximum voltage and minimum current. D. The load is receiving maximum voltage and maximum current.
Description : Amount of d.c voltage as compare to Vo is A. 50% B. 60% C. 70% D. 80%
Last Answer : 70%
Description : Approximately how many businesses content marketing is used? A. 20% to 30% B. 40% to 50% C. 60% to 70% D. 80% to 90%
Last Answer : D. 80% to 90%
Description : In India, people live in village and of them depend on agriculture (a) 50%,50% (c) 60%,805 (b) 80%,70% (d) 70%,705
Last Answer : 80%,70%
Description : to manganese besides other minor elements. a) 0.10 to 0.50% b) 0.20 to 0.60% c) 0.40 to 0.80% d) 0.50 to 0.80%
Last Answer : 0.50 to 0.80%
Description : In inverter tech AC some manufactures claim up to saving____________. a) 50% c) 60% b) 20% d) 80%
Last Answer : 60%
Description : Higher plant efficiency up to______ over the entire load range. a. 30%-50% b. 20%-40% c. 60%-90% d. 50%-80%
Last Answer : a. 30%-50%
Description : What percentage of the human body is composed of water? a. 50% b. 80% c. 90%
Last Answer : B. 80%
Description : Fresh grapes contains 80% of water by weight, where as dry grapes contains 50% of water by weight. Yamini buys 100kg of fresh grapes for a total price of Rs. 300. At what price should she sell the dry grapes (fresh grapes are dried up) to earn 80%profit?
Last Answer : In fresh grapes ratio of water to grapes is 80:20= 4:1 In dry grapes ratio is = 50:50 =1:1 Weight of grapes is = 100*[1/5]= 20kg Weight of dry grapes = 20*2 =40 kg Required amount is = 300*100[180/100]/40 = Rs. 1350
Description : Relative humidity is the ratio of actual vapour pressure to the saturation vapour pressure (A) At the same temperature (B) At the same pressure (C) In the same volume (D) In the atmosphere
Description : Pick up the correct statement from the following: (A) Absolute humidity at a given temperature is equal to weight of moisture present in a unit volume (B) Relative humidity is the ratio of ... of vapours which could be contained at the same temperature when fully saturated (D) All the above
Description : Hydrometer is used to determine (A) Specific gravity of liquids (B) Specific gravity of solids (C) Specific gravity of gases (D) Relative humidity
Description : When does the body lose less heat when the relative humidity is?
Last Answer : Need answer
Description : Blast furnace slag cement concrete requires ___________time for shuttering and curing. (a) Less (b) More (c) Medium (d) All the above
Last Answer : (b) More
Description : For two plates of equal thickness, full strength of square-edged fillet weld can be ensured if its maximum size is limited to (a) 1.5 mm less than the plate thickness (b) 67% of the plate thickness (c) 80% of the plate thickness (d) Thickness of the plate
Last Answer : (a) 1.5 mm less than the plate thickness
Description : Minimum percentage of longitudinal steel in a column should not be less than [ A ] 0.60% [ B ] 0.80% [ C ] 1.00% [ D ] 1.20%
Last Answer : [ B ] 0.80%
Description : India has eight coastal states but more than half the sea salt is made along the Gujarat coast because (a) Gandhiji started the salt movement in Gujarat (b) Low rainfall and relative humidity are ideal ... ) Kandla port exports salt (d) The salinity of sea water is very high near the Gujarat coast
Description : At 100% relative humidity, the wet bulb temperature is A. lower than the dew point temperature B. higher than the dew point temperature C. equal to the dew point temperature D. none of the above
Description : The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. (A) 0 (B) 100 (C) 50 (D) None of these
Last Answer : Option B