Earing is a defect found in steels after the following metal working operation.
(A) Extrusion
(B) Rolling
(C) Deep drawing
(D) Wire drawing

1 Answer

Answer :

(C) Deep drawing

Related questions

Description : Often earing defects are found during deep drawing operation, because the (A) Surface finish of the sheet is poor (B) Sheet material has been given substantial spring back (C) Starting sheet has planer anisotropy due to its texture (D) Starting sheet has normal anisotropy due to its texture

Last Answer : (C) Starting sheet has planer anisotropy due to its texture

Description : The mechanism involved in the removal of metal in drilling operation is by (A) Compression (B) Extrusion (C) Shearing (D) Both 'b' & 'c'

Last Answer : (D) Both 'b' & 'c'

Description : Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot (A) Piercing (B) Spinning (C) Drawing (D) Extrusion

Last Answer : Option B

Description : The unit of measurement is per quintal for the following: (A) Collapsible gates with rails (B) Rolling shutters (C) Expanded metal wire netting (D) M.S. reinforcement of R.C.C. works

Last Answer : (D) M.S. reinforcement of R.C.C. works

Description : In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of (A) Stainless steel (B) Mild steel (C) High speed steel (D) High carbon steel

Last Answer : (C) High speed steel

Description : Steel pipes are normally manufactured by __________ process. (A) Extrusion (B) Cold working (C) Forging (D) Electroforming

Last Answer : (A) Extrusion

Description : Presence of SO2 in furnace gases attacks the ferrous metal by way of (A) Accelerating the rate of scaling (B) Causing metal embrittlement (C) Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : Secondary hardening in steels arises out of the (A) Precipitation of fine alloy carbides at high temperatures (B) Refinement of ferrite grain size by working (C) Decomposition of retained austenite upon heat treatment (D) Precipitation of complex inter-metallic upon heat treatment

Last Answer : Option C

Description : Ok i got my cartilage pierced and its been 6weeks and i wanna change it so i got a hoop earing......and i can not open it....so how do i open it?

Last Answer : Ask your mother/father/brother/sister/boyfriend/girlfriend/teacher/milkman to help you. Edit: not all of them together, just a one.

Description : Other than a great place to put an earing, do you have any idea what the purpose behind the ear lobe is?

Last Answer : nibbles

Description : My dog seems to get into everything. I left a pair of earrings on the nightstand and now I can only find one. He chewed up other things on my nightstand, so I just assume that he ate the earring. Do I need to go to the vet or will it just pass through him?

Last Answer : The first thing to do is contact your vet just to make him aware of the situation. It depends on the size and type of earring, if there are any sharp edges that can cause internal injury. Generally, ... be a danger if swallowed out of your dog's reach. Offer him several safe toys to chew instead.

Description : Did Alphonse Louis Reis have earing designs sold?

Last Answer : Need answer

Description : wat does AZ stamp mean on gold earing?

Last Answer : Perhaps "AZ" is the initials of the jeweller who originally made the earrings, or maybe they were made in the state of Arizona.

Description : In erect groundnut variety drum rolling operation is carried out at — DAS. a. 30 to 45 b. 45 to 55 c. 55 to 60 d. After 60

Last Answer : c. 55 to 60

Description : Dies for wire drawing are generally made of (A) Mild steel (B) Stainless steel (C) Carbides (D) High carbon stee

Last Answer : (C) Carbides

Description : Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. (A) Oxygen (B) Arsenic (C) Antimony (D) Bismuth

Last Answer : (D) Bismuth

Description : Dies for wire drawing are generally made of (A) Mild steel (B) Stainless steel (C) Carbides (D) High carbon steel

Last Answer : (A) Mild steel

Description : Uniform ramming of sand in green sand moulding process leads to (A) Reduced chance of gas porosity (B) Greater dimensional stability of the casting (C) Uniform flow of molten metal into the mould cavity (D) Less sand expansion type of casting defect

Last Answer : Option B

Description : All of the following are requirements of mucoperiosteal flap except of: A. Base is wider than free margin B. Mucous membrane is carefully separated from periosteum C. Base has an adequate ... defect that will be present at conclusion of operation E. Mucoperiosteum is carefully separated from bone

Last Answer : B. Mucous membrane is carefully separated from periosteum

Description : The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Last Answer : (C) Calendaring

Description : Collapsible tubes for tooth paste are produced by __________ extrusion. (A) Direct (B) Indirect (C) Impact (D) None of these

Last Answer : (C) Impact

Description : __________ moulding is used for shaping of thermosetting plastics exclusively. (A) Compression (B) Injection (C) Transfer (D) Extrusion

Last Answer : (C) Transfer

Description : All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings

Last Answer : (C) Buckets

Description : Plastic tubes & pipes are generally made by __________ moulding. (A) Injection (B) Transfer (C) Extrusion (D) Compression

Last Answer : (C) Extrusion

Description : Tyres are made by (A) Injection moulding (B) Extrusion (C) Rotational moulding (D) Compression moulding

Last Answer : (C) Rotational moulding

Description : For spinning viscose rayon, the extrusion spinnerettes are made of (A) Platinum or gold alloys (B) High carbon steel (C) Aluminium (D) Nickel

Last Answer : (A) Platinum or gold alloys

Description : __________ moulding process cannot be used for thermoplastic plastics. (A) Compression (B) Extrusion (C) Injection (D) None of these

Last Answer : (C) Injection

Description : Ceramic materials fabrication cannot be done by (A) Welding (B) Slip casting (C) Extrusion (D) Plastic pressing

Last Answer : (A) Welding

Description : The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Last Answer : (C) Calendaring

Description : Production of a hollow product by inflation of a tube or parison is called the __________ process. (A) Blow moulding (B) Calendaring (C) Extrusion (D) Injection

Last Answer : (A) Blow moulding

Description : Hot extrusion of aluminium is done in the temperature range of __________ °C. (A) 550-600 (B) 450-500 (C) 350-400 (D) 250-300

Last Answer : (C) 350-400

Description : In extrusion of metals, which of the following statement is true? (A) Speed of the extruded material is same as that of ram speed (B) Redundant work is a function of the die angle (C) ... the billet surface and the container wall is always present (D) Hollow ram is used for indirect extrusion

Last Answer : (D) Hollow ram is used for indirect extrusion

Description : To convince North Vietnam to stop reinforcing the Vietcong, President Johnson ordered Operation Rolling Thunder, which _____.?

Last Answer : began a sustained bombing campaign

Description : Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.

Last Answer : (b) after entry of sperm but before fertilisation

Description : What is wire drawing?

Last Answer : Answer: This term is used to indicate the premature erosion of the valve seat caused by excessive velocity between seat and seat disc, when valve is not closed tightly.

Description : What is wire drawing?

Last Answer : Answer: This term is used to indicate the premature erosion of the valve seat caused by excessive velocity between seat and seat disc, when valve is not closed tightly.

Description : Main advantage of 3-piece P F Mould is? (i) To overcome fin defect.* (ii) To prevent the flaw of molten metal (iii) To make proper weld size (iv) None to the above

Last Answer : (i) To overcome fin defect.*

Description : Defect of short of metal is mainly due to? (i) Less gap (ii) Excessive gap* (iii) Less weight of position (iv) None of above

Last Answer : (ii) Excessive gap*

Description : Low carbon steels are those in which carbon percentage is around (A) 0.1 to 0.35 (B) 0.4 to 0.7 (C) 0.8 to 1.5 (D) 1.5 to 2

Last Answer : (A) 0.1 to 0.35

Description : Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) (A) Do not require heat treatment for any of its applications (B) Are used for leaf and coiled springs (C) Do not have good resilience properties (D) Is tempered at 850°C

Last Answer : (B) Are used for leaf and coiled springs

Description : Which of the following stainless steels is non-magnetic? (A) Ferritic (B) Martenistic (C) Austenitic

Last Answer : (C) Austenitic

Description : Which of the following alloy steels is the most suitable for making gun barrels and projectiles? (A) Tungsten steel (B) Molybdenum steel (C) Nickel-chrome steel (D) Cobalt steel

Last Answer : (C) Nickel-chrome steel

Description : Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) ... resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium

Last Answer : (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives

Description : Which of the following stainless steels is non-magnetic? (A) Ferritic (B) Martenistic (C) Austenitic (D) None of these

Last Answer : (C) Austenitic

Description : Generally __________ are subjected to galvanising (i.e., zinc coating). (A) Non-ferrous metals (B) Non-metals (C) Low carbon steels (D) Stainless steel

Last Answer : (C) Low carbon steels

Description : Shock resisting steels should possess high (A) Hardness (B) Toughness (C) Tensile strength (D) Wear resistance

Last Answer : (B) Toughness

Description : Molybdenum steels containing 0.15 to 0.40% molybdenum (A) Are prone to temper brittleness (B) Are used for automobile parts like gears, axle, shaft, bearings etc. (C) Have very poor fatigue resistance

Last Answer : (B) Are used for automobile parts like gears, axle, shaft, bearings etc

Description : __________ is used for determining the tensile strength of steels. (A) Hydraulic press (B) Universal testing machine (C) Mechanical press (D) None of these

Last Answer : (B) Universal testing machine

Description : Which of the following has a very high carbide forming tendency in steels? (A) Silicon (B) Chromium (C) Nickel (D) Vanadium

Last Answer : (D) Vanadium

Description : Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? (A) Silicon steel (B) Chromium steel (C) Molybdenum steel (D) None of these

Last Answer : (A) Silicon steel