Age hardening is concerned with (A) Copper (B) Brass (C) Duralumin (D) Silver

Age hardening is concerned with
(A) Copper
(B) Brass
(C) Duralumin
(D) Silver
by

1 Answer

Answer :

(C) Duralumin
by

Related questions

Age hardening' of duralumin is due to (A) Copper (B) Magnesium (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Age hardening' of duralumin is due to (A) Copper (B) Magnesium (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

. Age hardening is connected with (A) Babbitt metal (B) Gun metal (C) Stainless steel (D) Duralumin

Description : . Age hardening is connected with (A) Babbitt metal (B) Gun metal (C) Stainless steel (D) Duralumin

Last Answer : D) Duralumin

Which of the following metals is the most prone to work hardening? (A) Brass (B) Aluminium (C) Copper (D) Lead

Description : Which of the following metals is the most prone to work hardening? (A) Brass (B) Aluminium (C) Copper (D) Lead

Last Answer : Option A

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

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

Duralumin is an alloy of (A) Aluminium, copper and manganese (B) Aluminium, nickel and silicon (C) Aluminium and nickel (D) None of these

Description : Duralumin is an alloy of (A) Aluminium, copper and manganese (B) Aluminium, nickel and silicon (C) Aluminium and nickel (D) None of these

Last Answer : (A) Aluminium, copper and manganese

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

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)

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

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.

Brass contains – (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Description : Brass contains – (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Last Answer : (1) Copper and Zinc Explanation: Brass is an alloy made of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. By comparison, bronze is principally an alloy of copper and tin.

The first metal used by a man was – (1) Copper (2) Silver (3) Bronze (4) Brass

Description : The first metal used by a man was – (1) Copper (2) Silver (3) Bronze (4) Brass

Last Answer : (1) Copper Explanation: Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and ... that gold and meteoric iron (but not iron smelting) were the only metals used by humans before copper.

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

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

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

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

Brass contains (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Description : Brass contains (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Last Answer :  Copper and Zinc

The first metal used by a man was (1) Copper (2) Silver (3) Bronze (4) Brass

Description : The first metal used by a man was (1) Copper (2) Silver (3) Bronze (4) Brass

Last Answer : Copper

Out of the following, which will fracture most readity, when hit with a hard hammer? (A) Brass (B) Bronze (C) German silver (D) Cast iron

Description : Out of the following, which will fracture most readity, when hit with a hard hammer? (A) Brass (B) Bronze (C) German silver (D) Cast iron

Last Answer : Option D

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

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

Last Answer : (B) Copper and zinc

Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of (A) Nickel (B) Copper (C) Stainless steel (D) Brass

Description : Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of (A) Nickel (B) Copper (C) Stainless steel (D) Brass

Last Answer : (B) Copper

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Description : Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Last Answer : (D) Brass, cast iron, mild steel and tin

Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of (A) Brass (B) Copper (C) High carbon steel (D) Aluminium

Description : Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of (A) Brass (B) Copper (C) High carbon steel (D) Aluminium

Last Answer : (A) Brass

Anodic material used for the cathodic protection of underground buried steel pipeline is (A) Nickel or copper (B) Zinc or magnesium (C) Bronze (D) Brass

Description : Anodic material used for the cathodic protection of underground buried steel pipeline is (A) Nickel or copper (B) Zinc or magnesium (C) Bronze (D) Brass

Last Answer : (B) Zinc or magnesium

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

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

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

Which of the following materials has the least scrap value? (A) Aluminium (B) Stainless steel (C) Brass (D) Copper

Description : Which of the following materials has the least scrap value? (A) Aluminium (B) Stainless steel (C) Brass (D) Copper

Last Answer : Option B

Nickel is a constituent of (A) Bronze (B) Solder (C) Duralumin (D) Monel metal

Description : Nickel is a constituent of (A) Bronze (B) Solder (C) Duralumin (D) Monel metal

Last Answer : (D) Monel metal

Which of the following is not an alloy of nickel and chromium? (A) Inconel (B) Hastelloy (C) Nimonic alloys (D) Duralumin

Description : Which of the following is not an alloy of nickel and chromium? (A) Inconel (B) Hastelloy (C) Nimonic alloys (D) Duralumin

Last Answer : (D) Duralumin

Light weight metallic alloy used in aircraft industry is (A) Aluminium (B) High silicon (14%) iron (C) Duralumin

Description : Light weight metallic alloy used in aircraft industry is (A) Aluminium (B) High silicon (14%) iron (C) Duralumin

Last Answer : (C) Duralumin

________ is not used as a material of construction in thermocouples. (A) Alumel (B) Rhodium (C) Constantan (D) Duralumin

Description : ________ is not used as a material of construction in thermocouples. (A) Alumel (B) Rhodium (C) Constantan (D) Duralumin

Last Answer : (D) Duralumin

Metallic surveying tapes are made of __________ which has a low co efficient of expansion & enough strength. (A) Invar (B) Hastelloy (C) Duralumin (D) Monel metal

Description : Metallic surveying tapes are made of __________ which has a low co efficient of expansion & enough strength. (A) Invar (B) Hastelloy (C) Duralumin (D) Monel metal

Last Answer : (A) Invar

Which of the following low melting alloy containing bismuth and lead is used for electric fuse? (A) Wood's metal (B) Babbitt metal (C) Monel metal (D) Duralumin

Description : Which of the following low melting alloy containing bismuth and lead is used for electric fuse? (A) Wood's metal (B) Babbitt metal (C) Monel metal (D) Duralumin

Last Answer : Option A

Out of the following, the alloy which has equal percentage of constituents, is (A) White metal (B) Gun metal (C) Duralumin (D) Constantan

Description : Out of the following, the alloy which has equal percentage of constituents, is (A) White metal (B) Gun metal (C) Duralumin (D) Constantan

Last Answer : Option D

Explain with justification two uses of each of two following as an electrical conductor: (i) Brass (ii) Silver

Description : Explain with justification two uses of each of two following as an electrical conductor: (i) Brass (ii) Silver 

Last Answer :  (i) Brass:  Brass is an alloy of copper (60% ) and zinc ( 40%) ; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. Brasses set ... electrical conductor:  1) In switches to minimize contact resistance 2) In measuring instruments 3) In relays 

The increase in hardness of metal due to its cold working is termed as the __________ hardening. (A) Work (B) Age (C) Induction (D) Flame

Description : The increase in hardness of metal due to its cold working is termed as the __________ hardening. (A) Work (B) Age (C) Induction (D) Flame

Last Answer : (A) Work

Cold working of a material results in increase in hardness, which is termed as the __________ hardening. (A) Cold (B) Work (C) Age (D) Induction

Description : Cold working of a material results in increase in hardness, which is termed as the __________ hardening. (A) Cold (B) Work (C) Age (D) Induction

Last Answer : (B) Work

Will copper polish also polish brass?

Description : Will copper polish also polish brass?

Last Answer : It sounds like you don’t need the abrasive action of the pot cleaner, and I’d worry that it might dull the finish on a piece of jewelry. You can use a mixture of either vinegar or lemon juice with salt as an effective tarnish remover for brass.

What% Copper is in Brass ?

Last Answer : Brass contains 65% copper .

What color are copper and brass?

Description : When it looks like gold is it copper or brass?

Last Answer : brass is in yellow, copper itself is in red compare trumpet and gutter of copper alloys but there are several - not only brass and bronze

For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of (a) copper (b) aluminium (c) steel (d) brass

Description : For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of (a) copper (b) aluminium (c) steel (d) brass

Last Answer : Ans: c

Containers for carrying strong acids are made of (a) platinum (b) brass (c) copper (d) lead

Description : Containers for carrying strong acids are made of (a) platinum (b) brass (c) copper (d) lead

Last Answer : Ans:(d)

Of the following commonly used materials, the one that is not an alloy is - (1) Steel (2) Brass (3) Bronze (4) Copper

Description : Of the following commonly used materials, the one that is not an alloy is - (1) Steel (2) Brass (3) Bronze (4) Copper

Last Answer : (4) Copper Explanation: Copper is not an alloy; it is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. It is used as a constituent of various ... marine hardware and coins, and constant an used in strain gauges and thermocouples for temperature measurement.

Brass is made of – (1) copper and tin (2) tin and lead (3) copper and zinc (4) copper, tin and zinc

Description : Brass is made of – (1) copper and tin (2) tin and lead (3) copper and zinc (4) copper, tin and zinc

Last Answer : (3) copper and zinc 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, bronze is principally an alloy of copper and tin.

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

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".

What is the effect of addition of zinc in copper? What is the use of 70/30 brass ?

Description : What is the effect of addition of zinc in copper? What is the use of 70/30 brass ?

Last Answer : By addition of zinc in copper, both tensile strength and elongation increases. The 70/30 brass has excellent deep drawing property and is used for making radiator fins.

What is the name for the greenblue coat- ing that forms naturally on copper; bronze and brass?

Description : What is the name for the greenblue coat- ing that forms naturally on copper; bronze and brass?

Last Answer : Verdigris

At ‘yield point’ of a copper wire A. the load hasn't exceeded the elastic limit yet; so, Hooke's law applies B. the load has already exceeded the elastic limit and the material has become plastic C. even the plastic stage has passed and the wire has snapped already D. Like Brass and Bronze, Copper has no yield poin

Description : At yield point' of a copper wire A. the load hasn't exceeded the elastic limit yet; so, Hooke's law applies B. the load has already exceeded the elastic limit and the material has become ... stage has passed and the wire has snapped already D. Like Brass and Bronze, Copper has no yield poin

Last Answer : the load has already exceeded the elastic limit and the material has become plastic

Which of the following is expected to have the maximum permeability ? (a) Brass (b) Copper (c) Zinc (d) Ebonite

Description : Which of the following is expected to have the maximum permeability ? (a) Brass (b) Copper (c) Zinc (d) Ebonite

Last Answer : (d) Ebonite

The pump is mostly made of: e) Aluminium c) Brass f) Copper d) Plastic

Description : The pump is mostly made of: e) Aluminium c) Brass f) Copper d) Plastic

Last Answer :  Aluminium

The pump is mostly made of: A. Aluminium B. Copper C. Brass D. Plastic

Description : The pump is mostly made of: A. Aluminium B. Copper C. Brass D. Plastic

Last Answer : Aluminium 

The biggest point sources of waste heat originate from ....... production. a) Steel or Brass b) Copper or Glass c) Steel or Glass d) Steel or Copper

Description : The biggest point sources of waste heat originate from ....... production. a) Steel or Brass b) Copper or Glass c) Steel or Glass d) Steel or Copper

Last Answer : Steel or Glass

The material generally used for armour of high voltage cables is (a) aluminium (b) steel (c) brass (d) copper

Description : The material generally used for armour of high voltage cables is (a) aluminium (b) steel (c) brass (d) copper

Last Answer : (b) steel

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

Description : 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

Last Answer : A) 60-70% Cu and 30-40% Zn