Multiple Choice
In furan moulding which of the following is used as a catalyst?
A) Potassium hydroxide
B) Phosphoric acid
C) Ammonium hydroxide
D) Phenol formaldehyde
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q3: When bench moulding is adopted using three
Q4: Which of the following sand must possess
Q5: Carbondioxide moulding is useful for<br>A)very thin sections<br>B)regular
Q6: Polystyrene is generally available in the form
Q7: A slick is mainly used for<br>A)repairing and
Q9: The rammer used for packing the sand
Q10: During the passage of molten metal through
Q11: Thermal efficiency of cupola is in the
Q12: Sprues are generally<br>A)tapered upwards<br>B)tapered downwards<br>C)uniform size
Q13: The strength of the sand is high