Brass is an alloy of copper and zinc having the relative percentage  
(A) 60-70% Cu and 30-40% Zn
(B) 50-60% Cu and 40-50% Zn
(C) 40-50 % Cu and 60-50% Zn
(D) 30-40 % Cu and 60-70% Zn

1 Answer

Answer :

A) 60-70% Cu and 30-40% Zn

Related questions

Description : Bronze is an alloy of copper, zinc , and tin having composition (A) 60% - 30% - 10% (B) 70% - 20% - 10% (C) 88% - 2% - 10% (D) 50% -30% - 20%

Last Answer : (C) 88% - 2% - 10%

Description : Volumetric efficiency of air compressor is of the order of A. 20% to 30 % B. 40% to 50% C. 60% to 70% D. 70% to 90%

Last Answer : ANSWER : D

Description : By what percentage do seatbelts reduce the risk of death for a person sitting in front seat? a) 40% b) 50% c) 60% d) 70%

Last Answer : b) 50%

Description : Juice extraction capacity of vertical three roller type bullock down sugercane crusher E. 50-70% F. 70-90% G. 90-100% H. 30-50%

Last Answer : E. 50-70%

Description : 60-year-old patient with creatinine clearance 50 ml/min has to be treated with gentamicin. His daily dose of gentamicin should be reduced to the following percentage of the usual adult dose: A. 70% B. 50% C. 40% D. 30%

Last Answer : B. 50%

Description : A 60-year-old patient with creatinine clearance 50 ml/min has to be treated with gentamicin. His daily dose of gentamicin should be reduced to the following percentage of the usual adult dose: A. 70% B. 50% C. 40% D. 30%

Last Answer : B. 50%

Description : Brass is an alloy of : (1) Cu, Al and Zn (2) Cu and Sn (3) Cu and Zn (4) Al and Mg

Last Answer : (3) Cu and Zn Explanation: Brass is an alloy made of copper and zinc. The proportions of zinc and copper can be varied to cre-ate a range of brasses with varying properties. By comparison, bronze is principally an alloy of copper and tin.

Description : Brass is an alloy of : (1) Cu, Al and Zn (2) Cu and Sn (3) Cu and Zn (4) Al and Mg

Last Answer : Cu and Zn

Description : how much of total coal produced is used in brick kilns? A. 40% B. 50% C. 60% D. 70%

Last Answer : ANSWER: C

Description : how much of total coal produced is used in brick kilns? A. 40% B. 50% C. 60% D. 70%

Last Answer : ANSWER: C

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 : 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 : Countries in the Pacific Rim encompass ---- of the world's population. A)40% B)50% C)60% D)70%

Last Answer : C)60%

Description : A man buys milk at Rs. 2.40 per litre. He adds one-third water to it and sells the mixture at Rs. 2.88 per litre. Find his profit percentage. (Assume water is free). a) 21% b) 30% c) 40% d) 50% e) 60%

Last Answer : Let say he purchases 3 litres of milk whose cost is Rs. 7.20 He adds 1 litre of water and the mixture of 4 litres is sold at Rs 2.88 × 4 = Rs11.52 Profit percentage = (11.52 – 7.20) × 100.0/7.20 = 4.32 × 100.0/7.2 = 60% Answer: e)

Description : Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively. (A) 70 & 30 (B) 30 & 70 (C) 50 & 50 (D) 90 & 10

Last Answer : (A) 70 & 30

Description : Seed germination percentage of rough lemon is: a. 50-60% b. 60-70% c. 70-80% d. 80-90%

Last Answer : 60-70%

Description : The sum of the percentage of tricalcium silicate and dicalcium silicate for Portland cement varies from. (a) 50 to 60% (b) 60 to 70% (c) 70 to 80% (d) 80 to 90%

Last Answer : (c) 70 to 80%

Description : The emf of a Deniell cell “Zn | Zn2+|| Cu2+| Cu” can be increased by (A) Decreasing the surface area of the electrodes (B) Increasing the concentration of zinc sulphate solution (C) Increasing the surface area of the electrodes (D) Increasing the concentration of copper sulphate solution

Last Answer : (D) Increasing the concentration of copper sulphate solution

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 : The total body water in various subjects is relatively constant when expressed as percentage of the lean body mass and is about (A). 30% (B) 40% (C) 50% (D) 70%

Last Answer : Answer : D

Description : In trickling filter, B.O.D. is reduced to A. 30 to 40% B. 40 to 60% C. 60 to 80% D. 80 to 90%

Last Answer : ANS: C

Description : By what percentage can airbags reduce the risk of dying in a direct frontal crash? a) 30% b) 40% c) 50% d) 60%

Last Answer : a) 30%

Description : Total mechanical losses ( frictional losses , pumping loss in intake and exhaust and power accessories) will amount to a.10-20 % ihp b.2-10 % ihp c.20-30 % ihp d.30 -50 % ihp

Last Answer : a.10-20 % ihp

Description : Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is  (1) 122.8 GWh (2) 198.55 GWh (3) 128.2 GWh (4) 188.82 GWh

Last Answer : Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is 122.8 GWh

Description : Sridevi sells an article at a profit of 50%. If she had bought it at 40% less and sold it for Rs.21.50 less, She would have gained 60%. Find the cost price of the article.

Last Answer : 1st selling price=150% of x = 150x/100 = 15x/10 New Cost price=60% of x = 60x/100 = 6x/10  2nd selling price = 160% of 6x/10 = 160/100 * 6x/10 = 96x/100  Therefore 15x/10 – 96x/100 = Rs.21.50  X=Rs.39.81  Therefore cost price of the article = Rs.40 (approx.)

Description : Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin (a) I, II, and III (b) Only III (c) I and III (d) I and II

Last Answer : Ans:(b)

Description : Brass is an alloy of - (1) Nickel and Copper (2) Copper and Silver (3) Nickel and Zinc (4) Zinc and Copper

Last Answer : (4) Zinc and Copper Explanation: Brass is an alloy of copper and zinc, in proportions which can be varied to achieve varying mechanical and electrical properties.

Description : Brass is an alloy of - (1) Lead and tin (2) Zine and copper (3) Antimony, tin and lead (4) Zinc, tin and copper

Last Answer : (2) Zine and copper Explanation: Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. By comparison ... , including alloys with arsenic, phosphorus, aluminium, manganese, and silicon, are commonly termed "brome".

Description : Brass is an alloy of (A) Nickel and tin (B) Copper and zinc

Last Answer : (B) Copper and zinc

Description : Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Last Answer : (D) The ability of a material to fracture without appreciable deformation is called its ductility

Description : German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Last Answer : Answer: Option C

Description : Brass is an alloy of (A) Copper and zinc (B) Zinc and lead (C) Tin and silver (D) Zinc and nickel

Last Answer : Answer: Option A

Description : The composition of brass alloy is a) copper b)copper and gold c)copper and zinc d)tin and zinc

Last Answer : c)copper and zinc

Description : Brass is an alloy of (A) copper and zinc. (B) copper and iron. (C) copper and Aluminium. (D) copper and tin.

Last Answer : (A) copper and zinc.

Description : Brass is an alloy of (1) Lead and tin (2) Zinc and copper (3) Antimony, tin and lead (4) Zinc, tin and copper

Last Answer : Zinc and copper

Description : High carbon steel having carbon content about (A) 0.25 % (B) 0.25 – 0.50 % (C) 0.50 – 1.5 % (D) 2.5 - 4.5 %

Last Answer : (C) 0.50 – 1.5 %

Description : Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %

Last Answer : (A) 30 %

Description : The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %

Last Answer : (C) 50 %

Description : Turbo chargers or super chargers increases engine power by A. 10-20% C. 50-60% B. 20-30% D. 90-100%

Last Answer : A. 10-20%

Description : German Silver is an alloy of------? A. Zn + Ni B. Cu + Zn C. Cu + Ni (Answer) D. Cu + Sn E. None of these

Last Answer : C. Cu + Ni (Answer)

Description : Spary angle for fan nozzle and hollow cone nozzle a) 40-50 b) 50-60 c) 60-95 d) 100-150

Last Answer : c) 60-95

Description : Spray Angle for fan nozzles and hollow cone nozzle a) 40-50 b) 50-60 c) 60-95 d) 100-150

Last Answer : c) 60-95

Description : Hollow cone nozzles employed on boom type of sprayers have spray angle between : A .30-60° B.40-60° C.60-95° D.100-150°

Last Answer : C.60-95°

Description : Germination percentage in sour orange rootstock is: a. 50-60% b. 61-70% c. 71-80% d. 81-90%

Last Answer : 50-60%

Description : Q.61. CA Co manufactures a single product and has drawn up the following flexed budget for the year.  60% 70% 80%  Rs Rs Rs Direct materials 120,000 140,000 160,000 Direct labour 90,000 105,000 120,000 Production ... activity? (a) Rs 330,300 (b) Rs 370,300 (c) Rs 373,300 (d) Rs 377,300

Last Answer : (b) Rs 370,300

Description : Improved uniformity is obtained if seed tube is inclined rear ward at _________ with vertical. a)5-15° b)15-30° c)30-40° d)40-50

Last Answer : b)15-30°

Description : Of the total body water, intracellular compartment contains about (A) 50% (B) 60% (C) 70% (D) 80%

Last Answer : Answer : C

Description : The starch content of pulses is about (A) 50% (B) 60% (C) 70% (D) 80%

Last Answer : Answer : B

Description : The starch content of wheat is about (A) 50% (B) 60% (C) 70% (D) 80%

Last Answer : Answer : C

Description : For 100% modulation, power in each sideband is ________ of that of carrier? a) 50% b) 70% c) 60% d) 25%

Last Answer : Ans: D