Thermit welding is often used in Repairing broken shears Replacing broken gear teeth Joining rails, truck frames and locomotive frames etc. All of these TRUE ANSWER : ? YOUR ANSWER : ?
A pattern maker's shrinkage rule considers All materials to be cast All materials of the pattern Only shrinkage allowance All pattern allowances TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following welding process uses non-consumable electrodes? Manual arc welding Submerged arc welding MIG welding TIG welding TRUE ANSWER : ? YOUR ANSWER : ?
When a pattern is made in three parts, the ________ is known as a drag. Bottom part Top part Middle part None of these TRUE ANSWER : ? YOUR ANSWER : ?
The process of increasing the cross-section of a bar at the expense of its length, is called Drawing down Spinning Upsetting Peening TRUE ANSWER : ? YOUR ANSWER : ?
Swab is used for Moistening the sand around the edge before removing pattern Smoothing and cleaning out depressions in the mould Reinforcement of sand in the top part of the moulding box Cleaning the moulding sand TRUE ANSWER : ? YOUR ANSWER : ?
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as Shift Sand wash Swell Scab TRUE ANSWER : ? YOUR ANSWER : ?
The surface to be left unmachined is marked on the pattern by Black colour Blue colour Yellow colour Red colour TRUE ANSWER : ? YOUR ANSWER : ?
The operation of straightening a curved sheet metal, is known as Squeezing Coining Planishing Drawing TRUE ANSWER : ? YOUR ANSWER : ?
In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram. Simple die Combination die Compound die Progressive die TRUE ANSWER : ? YOUR ANSWER : ?