Which of the following ways can use for stopping the rapid solidificat – McqOptions

MCQOPTIONS

1.	Which of the following ways can use for stopping the rapid solidification of the molten metal in the mould?
A.	By having the mould of high permeability
B.	By making a uniform flow of molten metal
C.	By creating high pressure on the molten metal
D.	By using too much superheat
Answer» E.

Discussion

No Comment Found

Related MCQs

Gating design for a mould of 50cm*25cm*15cm is shown in below figure. The cross-sectional area of the gate is 5 cm2. Neglecting friction and velocity distribution effects, what is the filling time (t) for the design (in second)?
Which of the following gating designs is used to avoid the splashing of the molten metal in the mould?
In the given figure of Entry with rounded corner type of changes in flow geometry, the value of friction loss factor (eғ) is_____
Given figure below, shows a ladle having an internal diameter of 1 m with a capacity height of 1.2 m. It has a nozzle of 75 mm exit diameter. What is the mass flow rate in kg/sec?Take CD (Coefficient of discharge) = 0.96, ρ (Density of molten metal) = 2700 kg/m3
Friction loss factor (eғ) in the conduit of liquid metal depends on _____
Which_of_the_following_gating_designs_is_used_to_avoid_the_splashing_of_the_molten_metal_in_the_mould?$
Which of the following ways can use for stopping the rapid solidification of the molten metal in the mould?
Friction loss factor (e<sub>‚Äö√Ñ√∫‚àö¬®</sub>) in the conduit of liquid metal depends on _____$
For a smooth conduit, which of the following is the value of friction factor (f) for laminar and turbulent flow respectively?
The velocity distribution within the conduit depends on _____