List of top Pharmaceutical Engineering Questions asked in GPAT

The given equation represents which law: \[ E = K_k \ln \frac{d_1}{d_2} \]

If one event is unaffected by the outcome of another event, the two events are said to be:

Which of the following mills is based on the mechanism of impact and attrition for size reduction:

This given equation represents which law: \(E=K_k\ ln \frac {d_1}{d_2}\)

Based on the rheological behavior of fluid, all of the following shows time independent property, except:

The fluid flows through the filter medium by virtue of:

If \(u\) is velocity of fluid, \(ρ\) is density of fluid, \(L\) is length of the pipe, \(D\) is diameter of the pipe, \(f\) is friction factor and \(△P_1\) is pressure drop, then the equation \(△P_1 = (2fu^2Lρ) ÷ △\) represents

Match List I with List II:

List I Parts of the valve assembly		List II Purpose of parts
A.	Gasket	I.	Links the dip tube and the stem and the actuator
B.	Spring	II.	Prevents the leakage
C.	Mounting cup	III.	Holds the Gasket in place
D.	Housing	IV.	Holds the valve in place

Choose the correct answer from the options given below

Sarong SpA semiautomatic equipment is used for the:

Which of the following is the correct choice of particle size measurement technique in scoring order ofsize?
(i) Sieve
(ii) Anderson Pipette
(iii) Coulter counter
(iv) Light scattering
Arrange the correct order

R_i Hingers hypothesis relates
(i) Energy used in size reduction
(ii) New surface area produced
(iii) Equivalent shape
(iv) Reynold’s number
Arrange the correct order

Efficiency of an reversible engine is given by

The most efficient heat exchange between the particles and flowing air occurs in the____.

Clatharates crystallize in the form of

Acrystalline powder that contains water of crystallization or hydration; this water can be liberated either during manipulations or an exposure to a low – humidity environment – then the powder will become sticky and pasty, or it may even liquefy. Such a powder is called:

Which of the following DRYERS is a "static bed dryer"?

Given below are two statements
Statement I: Vertical long tube evaporator is also called as Rising film evaporator 
Statement II: Falling film evaporator is also called as Forced circulation type evaporator 
In light of the above statements, choose the most appropriate answer from the options given below

Match List I with List II

	List I-Crystallizer-Unit operations		List II-Principle/Characteristics-Properties
A	Swenson‐walker crystallizer	I	Adiabatic evaporative cooling
B	Krystal crystallizer	II	Cooling alone
C	Vacuum crystallizer	III	Evaporation
D	Forced circulation type crystallizer	IV	Heat exchange, separation, circulation

Choose the correct answer from the options given below:

Match List I with List II :

Column I Ingredients Found in Rubber Closures		Column II  Example
A	Activator	I	Zinc dibutyldithiocarbamate
B	Curing agent	II	Stearic acid
C	Accelerator	III	Carbon black
D	Fillers	IV	Neoprene
		V	Peroxides

Choose the correct answer from the options given below :

The absorption maxima of ephedrine hydrochloride and chlorocresol are 257 nm and 279 nm respectively and the A (1%, 1 cm) values in 0.1M hydrochloric acid solution are: 9.0 and zero for ephedrine hydrochloride at 257 nm and at 279 nm respectively. For chlorocresol it is 20.0 and 105.0 at 257 nm and at 279 nm respectively. Calculate the concentration of ephedrine hydrochloride in a batch of Ephedrine hydrochloride injection, diluted 1 to 25 with water, giving the absorbance in 1 cm cell of 0.424 at 279 nm and 0.972 at 257 nm.