Answer:B.
Description : Two heaters, rated at 1000 W, 250 V each are connected in series across a 250 V, 50 Hz ac mains. The total power drawn from the supply would be __________ watt.
Last Answer : Two heaters, rated at 1000 W, 250 V each are connected in series across a 250 V, 50 Hz ac mains. The total power drawn from the supply would be 500 watt.
Description : A 1000 watts heater is connected to a 240 V AC Supply. Then the current drawn by the heater is
Last Answer : A 1000 watts heater is connected to a 240 V AC Supply. Then the current drawn by the heater is 4.166 amperes
Description : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as?
Last Answer : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5.
Description : A grinding wheel rotates at 3000 rpm. When power supply is cut off the wheel stops in 5 sec. The number of revolutions made by the wheel before coming to rest would be a.500 b.107 dynes c.250 d.3000 e.1000
Last Answer : c. 250
Description : A grinding wheel rotates at 3000 rpm. When power supply is cut-off the wheel stops in 10 seconds. The number of revolutions made by the wheel before coming to rest would be a.1500 b.3000 c.1000 d.250 e.500
Last Answer : d. 250
Description : A single phase wattmeter rated for 500 V; 5A is having full scale deflection of 1000 watt. What is multiplying factor of the wattmeter?
Last Answer : Answer :
Description : 52 A transformer has 1000 primary turns, connected to 250V ac supply. To get 400V secondary voltage the no of secondary turns should be A. 1600 B. 250 C. 400 D. 1250
Last Answer : A. 1600
Description : A machine having an efficiency of 50% does 500 joules of work. Which of the following is the work input? Is it: w) 500 joules x) 250 joules y) 1000 joules z) 2500 joules
Last Answer : ANSWER: Y -- 1000 JOULES
Description : The total serum testosterone in adult men is (A) 50–100 ng/100 ml (B) 150–250 ng/100 ml (C) 300–1000 ng/100 ml (D) 1000–3000 ng/100 ml
Last Answer : Answer : C
Description : Two electric bulbs rated 50 W and 100 W are glowing at full powr, when used in parallel with a battery of emf 120 V and internal resistance 10 `Omega`
Last Answer : Two electric bulbs rated 50 W and 100 W are glowing at full powr, when used in parallel with a battery of emf 120 V ... power, is A. 6 B. 4 C. 2 D. 8
Last Answer : Req= (1/1200 +1/560 + 1/2.1)^-1 = 2.1 ohms RT= 2.1 + 7.8 = 9.9 ohms IT = V/R = 24/9.9 = 2.4 A Veq= R I = 2.1 2 ... 7.8 = 12.096 w = 44.928 w _________________________________________ By: Ellis-Junior Kamatjipose [email protected]
Description : A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the number of poles required in the generator are (A) 6 (B) 12 (C) 16 (D) 24
Last Answer : A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the number of poles required in the generator are 24
Description : Current in a 60 W light bulb when it is connected to a 230 V power supply is A. 0.26 A B. 1.5 A C. 2.6 A D. 3.9 A
Last Answer : 0.26 A
Last Answer : A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to r.m.s. voltage.
Description : A 1000 V/400 V power transformer has a nominal short-circuit voltage Vsc = 40%. Which one of the following statements is correct ? (a) A voltage of 400 V appears across the short-circuited ... V. (d) The primary voltage drops to 400 V, when the secondary terminals are short-circuited.
Last Answer : A 1000 V/400 V power transformer has a nominal short-circuit voltage Vsc = 40%. Which one of the following statements is correct ? (a) A voltage of 400 V appears across the short-circuited ... 400 V. (d) The primary voltage drops to 400 V, when the secondary terminals are short-circuited.
Description : Rated power of a bulb at V voltage is P. Now, same voltage V is applied in all conditions mentioned in Column I. Match this Column I with Column II in
Last Answer : Rated power of a bulb at V voltage is P. Now, same voltage V is applied in all conditions ... Column II in which actual total power consumed is given.
Description : How many mL of a 1:500 w/v stock solution should be used to make 5 liters of 1:2000 w/v solution? (A) 750 mL (B) 1000 mL (c) 1250 mL (D) 1500 mL
Last Answer : (c) 1250 mL
Description : What is the total resistance is V is 10 volts R1 is 1000 ohms and R2 is 1000 Ohms?
Last Answer : If they're connected in series the total resistance is 2000 ohms. If they're connected in parallel the resistance is 500 ohms.
Description : A single phase transformer rated at 3000 kVA, 69 kV 4.16 kV, 60 Hz has a total internal impedance Zp of 127 ohm, referred to the primary side. Calculate the primary current if the secondary is accidentally short circuited. (A) 43.5 A (B) 543 A (C) 9006 A (D) 721 A
Last Answer : 543A
Description : A bar graph is drawn to the scale 1 cm = 4x units .The length of the bar represeting a quantity 1000 units is 1.25 cm . Find x
Last Answer : A bar graph is drawn to the scale 1 cm = 4x units .The length of the bar represeting a quantity 1000 units is 1.25 cm . Find x
Description : Mark the correct option relating to cheque collection charges. a) Rs 30/- for a cheque up to Rs 1000/- b) Rs 3/- per thousand beyond Rs 1000/- c) No collection charges will be charged on outstation cheque of Post office saving bank drawn in post office saving bank d) All the above
Last Answer : d) All the above
Description : Working life of tractor drawn cultivator is — hrs. a. 1000 b. 2500 c. 3500 d. 5000
Last Answer : b. 2500
Description : What is the supply rated o/p if two single phase transformer connect to give three phase o/p from a three phase I/p?
Last Answer : A. Each transformer is only capable of supplying 86.6%of its o/p rating
Description : Two alternators rated are 200 KW at 4% regulation, 400 KW 5% regulation operating in parallel at 50HZ , when supply 600 KW the new frequency is a) 50 b) 49 c) 51.3 d) 47.7
Last Answer : Ans: 47.7
Description : The daily water allowance for normal infant is about (A) 100–200 ml (B) 250–300 ml (C) 330–1000 ml (D) 1000–2000 ml
Description : The amount of coproporphyrins excreted per day in feces is about (A) 10–50 µgs (B) 100–150 µgs (C) 200–250 µgs (D) 300–1000 µgs
Last Answer : Answer : D
Description : The amount of air breathed in and out in a single quiet respiration is about (a) 250 ml (b) 500 ml (c) 750 ml (d) 1000 ml
Last Answer : Ans:(d)
Description : What is the bandwidth available in the commercial C-band? A. 1000 MHz B. 36 MHz C. 250 MHz D. 500 MHz
Last Answer : D. 500 MHz
Description : Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. (A) 600-750 (B) 250-350 (C) 1000-1500 (D) 2000-2500
Last Answer : (A) 600-750
Description : Fee for filing complaints before district forum above ten lac and up to twenty lac is a) 500 rupees b) 250 rupees c) 400 rupees d) 1000 rupees
Last Answer : a) 500 rupees
Description : Ordinarily cash in excess of Rs __________ should be enclosed in a cash bag a) 500 b) 1000 c) 5000 d) 250
Last Answer : d) 250
Description : Prepayment of postage on cash facility is authorized by and how much letter may be posted to have these facility. a) HOC, UR-500 big city and 250 small city, Reg -50 b) DG post, UR-1000 big city and 500 ... -100 c) Head of the division UR-5000 big city and 1000 small city, Reg -500 d) None of these
Last Answer : a) HOC, UR-500 big city and 250 small city, Reg -50
Description : Find the conduction current density when conductivity of a material is 500 units and corresponding electric field is 2 units. a) 500 b) 250 c) 1000 d) 2000
Last Answer : c) 1000
Description : Which of the following arevalid Minimum and Maximum zoom sizes in MSOffice? A. 10, 100 B. 20,250 C. 10, 500 D. 10,1000
Last Answer : 10, 500
Description : Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. (A) 250 (B) 650 (C) 850 (D) 1000
Last Answer : (B) 650
Description : The maximum head that can be developed by a single impeller is __________ ft. (A) 25 (B) 100 (C) 250-300 (D) 1000
Last Answer : (C) 250-300
Description : The maximum delivery pressure of compressors can be upto __________ atmospheres. (A) 10 (B) 100 (C) 250 (D) 1000
Last Answer : (D) 1000
Description : Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. (A) 50-80 (B) 250-400 (C) 1000-1200 (D) 800-900
Last Answer : (B) 250-400
Description : Maximum permissible turbidity in potable water is __________ ppm. (A) 1 (B) 10 (C) 250 (D) 1000
Last Answer : (B) 10
Description : What is the range of minimum set of genes required for life? A.50-100 genes B.250-350 genes C.1000-1500 genes D.1500-2000 genes
Last Answer : 250-350 genes
Last Answer : .250-350 genes
Description : What is the range of minimum set of genes required for life? A- 50-100 genes B- 250-350 genes C- 1000-1500 genes D- 1500-2000 genes
Description : Normal values of overflow rate for sedimentation tanks using coagulants in litres/hr/m2 , generally range between (A) 250 to 500 (B) 500 to 750 (C) 750 to 1000 (D) 1000 to 1250
Last Answer : (D) 1000 to 1250
Description : Normal values of overflow rate for plain sedimentation tanks in litres/hr/m2 , generally range between (A) 100 to 250 (B) 250 to 500 (C) 500 to 750 (D) 750 to 1000
Last Answer : (C) 500 to 750
Description : Normal values of overflow rate for plain sedimentation tank, is (A) 250 to 500 litres/hr/m2 (B) 500 to 750 litres/hr/m2 (C) 750 to 1000 litres/hr/m2 (D) 1000 to 1250 litres/hr/m
Last Answer : (B) 500 to 750 litres/hr/m
Description : A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to (A) 25 (B) 50 (C) 100 (D) 250
Last Answer : (B) 50
Description : For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys. (A) 250 (B) 500 (C) 1000 (D) 3000
Last Answer : (B) 500
Description : One cubic metre of water weighs (A) 100 litres (B) 250 litres (C) 500 litres (D) 1000 litres
Last Answer : Answer: Option D
Description : One litre of water occupies a volume of (A) 100 cm3 (B) 250 cm3 (C) 500 cm3 (D) 1000 cm3
Last Answer : Answer: Option A
Description : Assume postal rates for 'light letters' are: $0.25 up to 10 grams; $0.35 up to 50 grams; $0.45 up to 75 grams; $0.55 up to 100 grams. Which test inputs (in grams) would be selected using boundary value analysis? A. 0, 9,19, ... C. 0, 1,10,11, 50, 51, 75, 76,100,101 D. 25, 26, 35, 36, 45, 46, 55, 56
Last Answer : C. 0, 1,10,11, 50, 51, 75, 76,100,101