Related Questions

Eclusive breast feeding কথাটি কতদিন breast feeding করার কথা বুঝায়?
A ১ বছর
B ২ বছর
C ৬ মাস
D ১০ মাস
Pregnancy তে কোনটি Breast change নয়?
A Breast size increases
B Areola becomes pink
C Breast secretion
D Secondary areola appear
Hormones which act on breast are
A Oestrogen
B Progesterone
C Growth hormone
D Prolactin
E Cortisol
Among placental hormones, protein hormones are
A Human chorionic gonadotrophin
B Pregnancy associated plasma protein
C Prolactin
D Oestrogen
E Progesterone
Hormones acting via cAMP are
A TSH
B ADH
C Parathormone
D Calcitrol
E Testosterone
A single acting steam engine produces __________ power than that of double acting steam engine.
A equal
B double
C half
D 4 times
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.
A Equal to
B Twice
C Three times
D Four times
The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.
A Flow output
B Head developed
C Overall efficiency
D Weight
A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double
A Head
B Discharge
C Efficiency
D None of these

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